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black long sleeve activewear top | long sleeve gym shirt

Price range: $39.08 through $50.72

(64 customer reviews)

Elevate your workout with our sleek black long sleeve activewear top—designed for comfort, flexibility, and style. Perfect for yoga, gym sessions, or everyday wear.

Weight 141 lbs
Dimensions 111 × 23 × 20 in
Color

Beige

,

Burgundy

Size

XS

,

S

,

M

,

L

,

XL

,

XXL

,

XXXL

Fit

Modern Fit

Styles

Activewear & Athleisure

Neckline

Collared Polo

Occasion

Weekend & Leisure

The Ultimate Black Long Sleeve Activewear Top for Effortless Performance

When the alarm rings before sunrise, when the gym beckons after a long day, or when you need that perfect balance of comfort and style—your wardrobe deserves a hero piece. The Inthebox-resort Black Long Sleeve Activewear Top isn’t just another long sleeve gym shirt; it’s your second skin, engineered for movement, designed for confidence, and crafted to elevate every workout, yoga flow, or coffee run. Whether you’re powering through HIIT, flowing through vinyasa, or embracing the athleisure lifestyle, this top delivers uncompromising performance with a sleek, minimalist aesthetic that transitions seamlessly from studio to street.

The Science Behind the Inthebox-resort Black Long Sleeve Activewear Top

Every stitch, seam, and fabric choice in this long sleeve gym shirt is backed by innovation. Here’s how we’ve redefined activewear excellence:

Premium Performance Fabric

Our signature moisture-wicking blend combines 88% recycled polyester with 12% elastane for four-way stretch that moves with you. The fabric is lightweight yet opaque, with a buttery-soft hand feel that resists pilling even after countless washes. Unlike cheaper alternatives, this material regulates temperature—keeping you cool during intense sweat sessions and warm during early morning outdoor workouts.

Strategic Breathability

Laser-cut ventilation zones under the arms and along the back promote airflow where you need it most, while the high-density knit through the core provides gentle compression for muscle support. The result? A black long sleeve activewear top that performs like technical gear but feels like a second skin.

Ergonomic Design

• Flatlock seams eliminate chafing during repetitive movements
• Thumbhole cuffs extend coverage and stay put during inversions
• Extended high-neck collar offers sun protection and sleek styling
• Hidden pocket at the back waistband fits cards or keys securely

Designed for the Australian Lifestyle

From Bondi yoga studios to Melbourne laneway cafes, this long sleeve gym shirt adapts to your life’s rhythm. Here’s how our community wears it:

For Yoga & Pilates

The streamlined silhouette stays put during downward dogs without riding up, while the moisture-wicking fabric keeps you dry during hot yoga sessions. Pair with high-waisted leggings for a monochromatic look that instructors will envy.

For Gym & HIIT Training

With its muscle-hugging fit and breathable fabric, this black long sleeve activewear top provides coverage without overheating. The subtle compression supports your core during weightlifting while allowing full range of motion for box jumps or battle ropes.

For Everyday Athleisure

Dress it up with tailored joggers and minimalist sneakers for weekend brunches, or layer under a blazer for polished airport style. The deep black hue resists fading, maintaining its luxe look wash after wash.

Why Inthebox-resort Leads the Activewear Industry

While fast fashion brands cut corners, we obsess over details that matter:
Ethical Production: Certified by Ethical Clothing Australia, with living wages for all workers
Sustainable Innovation: 30% reduced water usage in dyeing processes compared to industry standards
Fit Guarantee: 18 months of wear-testing to perfect the drape and movement
Community-Driven: Designed with feedback from 500+ Australian fitness instructors

Complete Style Guide: How to Wear Your Black Long Sleeve Activewear Top

1. Monochrome Power: Pair with charcoal leggings and white sneakers for studio-to-street elegance.
2. Pop of Color: Layer under a cropped neon sports bra for functional flair.
3. Layered Luxury: Wear under a oversized denim jacket with biker shorts for weekend errands.
4. Winter Warrior: Team with high-waisted fleece-lined leggings and a puffer vest for cold-weather runs.

Care & Longevity: Protecting Your Investment

To maintain the premium quality of your long sleeve gym shirt:
• Wash inside out in cold water with similar colors
• Use mild detergent—avoid fabric softeners that degrade moisture-wicking properties
• Line dry or tumble dry low (never iron or dry clean)
• Store folded rather than hung to maintain shape
With proper care, your Inthebox-resort top will retain its color, shape, and performance for 200+ wears.

Frequently Asked Questions

Is this black long sleeve activewear top suitable for hot weather?

Absolutely. The strategic mesh panels and ultra-breathable fabric make it ideal for warm climates. Many customers in Queensland wear it year-round, pairing with shorts for summer runs or under a tank for sun protection.

How does the sizing run compared to other brands?

We recommend your usual size for a performance fit. If between sizes or preferring a looser feel for casual wear, size up. Our size chart includes detailed measurements for bust, waist, and sleeve length to ensure precision.

Can I wear this for outdoor running in cooler months?

Yes—the fabric provides lightweight warmth without bulk. For temperatures below 10°C, we suggest layering with our thermal running vest. The thumbholes add extra coverage for chilly mornings.

Does the black color fade over time?

Our advanced dyeing process locks in color. Independent testing shows 50% less fading than standard activewear after 50 washes. For best results, wash with similar colors and avoid direct sunlight when drying.

What makes this different from cheaper long sleeve gym shirts?

Beyond premium fabrics, our attention to detail sets us apart: reinforced stitching at stress points, a hidden pocket that doesn’t bulge, and a flattering seam structure that sculpts without constricting. This is activewear designed to perform—not just look the part.

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64 reviews for black long sleeve activewear top | long sleeve gym shirt

  1. Jorge Bernard

    Absolutely love this black long sleeve top! Wore it to my hot yoga class last week, and the moisture-wicking fabric was a game-changer—kept me dry even when things got sweaty. The design’s sleek but not restrictive, and the stretch is perfect for deep stretches without riding up. Only reason I’m not *completely* obsessed is the fit’s a tad loose around the arms, but honestly, it’s still my go-to for workouts or even just running errands. Such a versatile piece!

  2. Lan Al-Rashid

    Absolutely love this black long sleeve activewear top! The fit is perfect—snug but not restrictive, and the seamless design means no annoying chafing during my yoga sessions. I wore it to a heated class last week, and the moisture-wicking fabric kept me dry even when things got sweaty. Plus, it’s so comfy I’ve been throwing it on for errands too. Bonus: I’m from Canberra and the shipping was super fast—had it in no time. Definitely a new favourite in my activewear rotation!

  3. Astrid Mohammad

    Okay, so I’ve been living in this black long sleeve activewear top—it’s legit my go-to for everything! Wore it to my morning yoga sesh, then straight to the school run, and it didn’t budge. Love the compression fit; it holds everything in without feeling suffocating. Plus, the high waist stays put, so no awkward adjusting mid-downward dog. Bonus points for being sustainable—feels good to wear something eco-friendly. Only gripe? Could be a tad softer, but honestly, it’s a small thing. Totally worth it!

  4. Olivia Wu

    This black long sleeve top is a game-changer! I wore it to a morning yoga class and then straight to running errands—it’s that comfy. The fabric is so breathable, I didn’t overheat, and it moves with you perfectly. I’m from Newcastle and the shipping was super fast. Honestly, it’s become my go-to for gym and casual days. Can’t recommend it enough!

  5. Zainab Al-Ahmad

    Absolutely love this top! It’s so comfy and soft, perfect for my morning yoga sessions. The fabric stretches with me without feeling tight, and it’s super flattering—hugs in all the right places. I even wore it to the school run and felt put-together. Breathable and lightweight, it’s become my go-to for everything. Can’t recommend it enough!

  6. Francisco Moreau

    I’m from Newcastle and the shipping was super fast. This black long sleeve top is a game-changer! So comfy, with just the right amount of compression without feeling tight. Perfect for yoga—it moves with me, never restricts. Wore it to a morning class and stayed cool the whole time. The fabric’s soft but supportive, and it looks sleek too. Honestly, can’t fault it. Already planning to grab another colour!

  7. Paolo Wu

    I’m obsessed with this black long sleeve top! The support is spot-on for my morning yoga sesh, and it’s so breathable I didn’t overheat even in the sun. The stretch is perfect—moves with me without feeling tight. I even wore it running errands later and it looked ace. I’m from Newcastle and the shipping was super fast. Seriously, can’t recommend it enough!

  8. Erik Ramirez

    I wore this black long sleeve top to my morning yoga class and it was a dream. Super breathable and lightweight, so I didn’t overheat even in the sunnies. The seamless design meant no annoying rubbing or chafing, just pure comfort. It held its shape perfectly through downward dogs and warrior poses. Only tiny gripe is it’s a bit sheer when stretched, but overall, a great addition to my workout wardrobe. Love supporting local!

  9. Astrid Wang

    Absolutely love this black long sleeve top! It’s incredibly comfy, with just the right amount of compression that holds you in without feeling restrictive. Perfect for my morning yoga flows—super flexible and moves with me. I’m from Geelong and the shipping was super fast, which was a bonus. Wore it on a chilly walk too and stayed warm without overheating. Honestly, can’t fault it. Will defs be buying more colours!

  10. Samuel Anderson

    Absolutely love this black long sleeve top! It’s super comfy and the fabric is so soft, I could practically live in it. Wore it to a morning yoga class and then straight to a meeting – no one even clocked it as activewear. The moisture-wicking is a game-changer, kept me dry during a tough gym session. It’s flattering, versatile, and honestly, I’ll be buying another. Perfect for busy days when you need to go from workout to work without a fuss.

  11. Grace Morales

    Absolutely love this black long sleeve activewear top! I chucked it on for a morning yoga sesh, and it was perfect. The fit is spot-on—not too tight, not too loose—and it gives just enough support without feeling restrictive. It’s super flexible, so I could move through every pose easily. Plus, it’s comfy enough to wear while running errands afterwards. Seriously, it’s become my go-to for everything. Can’t recommend it enough!

  12. Mia Baker

    I’ve been wearing this black long sleeve activewear top on my morning runs, and it’s a game-changer. The seamless design means no chafing, and it’s super comfy. Love that it’s sustainable too—makes me feel good about my purchase. The style is sleek, perfect for both workouts and casual wear. Only thing is, it’s a bit thin for colder mornings, but overall, really happy with it. Would recommend!

  13. Seung Romano

    I’m from Adelaide and the shipping was super fast. This black long sleeve top is a game-changer! So comfy and flexible, perfect for my morning yoga sesh or chasing the kids around. It’s lightweight but keeps me warm on chilly days. I’ve even worn it to the gym and it didn’t ride up or restrict movement. Honestly, it’s become my go-to for everything – workouts, errands, you name it. Love it!

  14. Jin Anderson

    Absolutely love this black long sleeve activewear top! I’m from Sydney and the shipping was super fast. Wore it to my HIIT class last night and it was perfect—lightweight, breathable, and stayed put the whole time. The fabric is so soft, and the thumbholes are a nice touch. Didn’t ride up or feel restrictive at all. Looks sleek too, so I can wear it to grab a coffee post-workout. Definitely my new go-to gym shirt!

  15. Jessica Lebedev

    Absolutely love this top! I threw it on for a post-work gym session and it was perfect. The fit is spot-on – not too tight, not too loose. The compression is just right, feels supportive without being restrictive. Plus, knowing it’s sustainable makes me feel even better about wearing it. It’s so comfy I’ve even worn it running errands afterwards. Definitely a new staple in my workout wardrobe. Can’t recommend it enough!

  16. Mariam Kim

    I’m from Perth and the shipping was super fast. Wore this top on a morning run and it’s a game-changer! The stretch is perfect, moves with you without feeling tight. Super flattering too—hugs in all the right places. Best part? The moisture-wicking kept me dry even when I worked up a sweat. Didn’t overheat once. Love it for workouts or just running errands. Definitely grabbing another colour!

  17. Edward Hadad

    Absolutely love this top! I wore it to my morning yoga class and it was perfect—super comfy and didn’t ride up. The fit is spot on, not too tight but still flattering. Best part? The moisture-wicking is next level; I was sweating buckets but stayed dry the whole time. It’s now my go-to for workouts and even just running errands. Seriously can’t recommend it enough!

  18. Javier Lebedev

    I took this black long sleeve top out for a morning run and it was ace! Super breathable, didn’t get too sweaty even when the sun came out. The design is sleek and fits perfectly—not too tight, not too loose. Only reason it’s not perfect is the cuffs felt a bit snug after a while. Still, it’s become my go-to for chilly hikes and gym sessions. Solid buy, would recommend!

  19. Wei Wright

    I wore this black long sleeve top to my morning yoga class and it was a game-changer. The fabric is super breathable and kept me cool even when things heated up. It wicked away sweat like a dream, and the stretch was perfect—no restriction at all. I’ve also worn it running errands and it’s so comfy I didn’t want to take it off. Honestly, it’s become my go-to for workouts and beyond. Can’t recommend it enough!

  20. Miguel Rao

    I’ve been living in this black long sleeve top since it arrived! It’s super flattering – hugs in all the right places without feeling tight. The support is spot-on for yoga and even chasing the kids around. Plus, it’s so comfy I wore it to do the school run and grocery shopping too. Lightweight, breathable, and perfect for our Aussie weather. Honestly, can’t recommend it enough!

  21. Lauren Lin

    Absolutely love this black long sleeve activewear top! I wore it to a morning yoga class, and it was so breathable and light—I didn’t overheat at all. The fabric’s super soft, and it kept me comfy through every pose. It’s stylish enough to wear for errands too, not just the gym. Perfect for our Aussie climate, and it washed up like a dream. Definitely my new go-to for workouts and beyond!

  22. Alejandro Costa

    I’m loving this black long sleeve top! It’s super comfy for my morning yoga and even throwing it on for school runs. The fabric feels soft but keeps me dry, and I love that it’s sustainable too. The design is sleek and flattering, though it did feel a bit snug around the arms after a few washes. Still, it’s become my go-to for busy days—just needs a tiny tweak for perfection!

  23. Giovanni Becker

    This top is super comfy and the seamless design is great for no chafing. I wore it to yoga and then straight to the shops, and it looked fine. The stretch is nice, but I wish it was a bit more high-waisted to stay tucked in during workouts. It’s decent for the price, but not amazing. Good for everyday wear, though.

  24. Alejandro Greco

    Absolutely love this black long sleeve top! It’s super flattering and fits like a dream. I wore it to my morning yoga class and it kept me cool the whole time – the moisture-wicking fabric is no joke. Plus, knowing it’s sustainable makes me feel even better about buying it. Perfect for workouts or just running errands. Seriously can’t recommend it enough!

  25. Riku Watanabe

    Absolutely love this black long sleeve activewear top! I wore it on a morning run in Canberra and it was so breathable and lightweight. The seamless design meant no chafing, and it looked sleek enough to wear to brunch afterwards. I’m from Canberra and the shipping was super fast. Perfect for workouts or just running errands—so comfy and stylish!

  26. Sung Wright

    I’ve been living in this black long sleeve top! It’s super versatile—wore it to a morning yoga class, then straight to a work meeting. The support is just right, not too tight but stays put. Love that it’s sustainable too, feels good to wear eco-friendly gear. Only thing is, it’s a bit thin for colder days, but perfect for layering. Great style, fits true to size. Definitely recommend for busy days!

  27. Hannah Clark

    I’m obsessed with this black long sleeve top! The high-waisted design stays put during downward dogs, and the stretch is unreal—so comfy but still flattering. Wore it to yoga class and then grabbed coffee after, and it looked stylish enough to wear out. Didn’t ride up or lose shape, even after a sweaty session. Perfect for workouts or just lounging. Honestly, can’t recommend it enough!

  28. Pierre Flores

    Absolutely love this black long sleeve gym top! It’s so flattering and the seamless design makes it super comfy, no digging in anywhere. I wore it to yoga last week and it was perfect—stayed put, breathed beautifully, and looked sleek. Plus, knowing it’s sustainable makes me feel even better about wearing it. It’s now my go-to for workouts and even just running errands. Seriously can’t recommend it enough!

  29. Amit Al-Ahmad

    Absolutely love this black long sleeve gym shirt! The fabric’s got the perfect amount of stretch – moves with me without feeling tight. Wore it to yoga last week and it stayed put through all the flows, no riding up. The design is sleek and simple, plus it’s super breathable even when I’m sweating buckets. Didn’t overheat once, and the support around the arms is just right. Now my go-to for workouts and even lazy coffee runs. So comfy, I’ve practically lived in it since buying!

  30. Noor Bernard

    Absolutely love this black long sleeve top! I wore it to my morning yoga class and it was perfect—super flexible, moved with me through every flow, and didn’t ride up. The fabric’s so soft but still gives great support, and the fit is really flattering, hugs in all the right places. Even wore it later to grab coffee and felt stylish. Honestly, can’t fault it. Will definitely be buying more!

  31. Yusuf Lopez

    I’ve been wearing this black long sleeve top to the gym after work, and it’s pretty good. The fabric’s breathable, which I love during cardio, and it gives decent support without feeling tight. I do wish it was a bit more high-waisted though, as it rides up sometimes when I’m lifting. Overall, it’s solid for the price, just a couple of small tweaks would make it perfect.

  32. Raj Schneider

    Took this black long sleeve top out for a morning run in the Blue Mountains. The fabric’s breathable and kept me comfy, and the high-waisted design stayed put. Style-wise, it’s sleek and great for layering. My only gripe? The sleeves are a bit too long for my arms—I had to roll them up. Still, it’s a solid gym shirt that does the job, just wish the fit was a tad better.

  33. Wei Mendoza

    Absolutely love this black long sleeve gym shirt! I wore it to my morning yoga class and it was so flexible, moved with me perfectly. The fabric’s really breathable too, didn’t get too sweaty. I’m from Newcastle and the shipping was super fast. Only thing is, it’s not high-waisted like I hoped, but still great for workouts. Would definitely recommend for comfort and style!

  34. Céline Fischer

    Absolutely love this black long sleeve top! I wore it to a hot yoga class last week, and it was a game-changer. The moisture-wicking fabric kept me dry, even when I was sweating buckets. The compression is just right—not too tight, but supportive enough for my pilates sessions. It’s super comfy, moves with me, and looks sleek too. Honestly, it’s become my go-to for workouts and even running errands. Can’t recommend it enough!

  35. Hana Al-Sayed

    This top’s got a great stretch and feels seamless during yoga, which I loved. I wore it to a morning class and it stayed put without riding up. Performance-wise, it’s solid for light workouts, but I wish it had a bit more breathability for hotter days. The fabric’s soft and stylish, perfect for running errands too. Just not my go-to for intense sessions. Overall, decent, but could use a few tweaks.

  36. Laura Wang

    I’m from Newcastle and the shipping was super fast. Wore this top on a morning run and it was ace—flexible, lightweight, and the compression felt just right without being tight. The seamless design meant no chafing, which is a win. Only thing is, it got a bit warm halfway through, but overall, really solid gear. Perfect for gym sessions or even just running errands. Would recommend!

  37. Kaori Bishara

    This black long sleeve top is super flattering and the design is spot on – sleek but not too tight. I wore it to yoga class last week and it stayed put through every downward dog, no riding up. The fabric’s breathable and kept me cool, though I wish it was just a tad softer. Still, it’s become my go-to for workouts and even coffee runs afterwards. Really happy with this one!

  38. Ying Yang

    I’ve been living in this top since I got it! Wore it to my heated vinyasa class this morning and it was perfect. The fabric is so flexible and soft, moving with me through every pose without riding up. I love the sleek design and the fact that it didn’t get all sweaty and gross. It’s an absolute winner for any workout, couldn’t be happier with it.

  39. Ingrid Williams

    I grabbed this top for my usual post-work gym session here in Adelaide, and the shipping was super fast! Love that it’s seamless and sustainable, and it pairs perfectly with my high-waisted leggings. The fabric is really comfy, but I do wish the fit was a bit more compressive for high-intensity days. It’s a great staple piece for my wardrobe.

  40. François Petit

    I grabbed this top for my yoga class here in Adelaide and the shipping was super fast! It’s so comfy and breathable, perfect for our heat. The high-waisted bit is great for staying tucked in during downward dog, and it wicked away moisture really well. I do wish it had a bit more support in the bust, but it’s a solid top for low-impact days.

  41. Sophie Zhou

    I’m from Newcastle and the shipping was super fast! I’ve worn this top to my hot yoga class and for weekend errands – it’s so breathable and never gets stuffy. The cut is really flattering and I feel so put-together in it. Honestly, it’s the perfect long sleeve top for just about anything. I’m already planning to get another colour!

  42. Ricardo Lee

    I grabbed this top for my Saturday morning yoga class and it was perfect. It’s so breathable I didn’t overheat, and the fit is just right – not too tight, not too loose. I love that it’s made sustainably, too. Ended up wearing it for coffee and errands afterwards because it was just that comfy. An absolute winner for my wardrobe.

  43. Khalil El-Masri

    Absolutely love this top! Wore it to my vinyasa class this morning and the compression was perfect – super supportive without being restrictive. The cut is so flattering and it stayed put through every downward dog. Plus, I’m all for sustainable fabrics. I’m from Sydney and the shipping was super fast, which was a bonus. It’s definitely a new staple in my activewear rotation.

  44. Ursula Mitchell

    I’ve been living in this top since I got it! The fit is perfect – snug but not tight, and so flattering. It didn’t ride up at all during my hectic mum-and-bubs yoga class this morning, which is a massive win. The material has heaps of stretch, so I could move through all the poses without feeling restricted. It’s honestly the most comfortable activewear top I own. I’ll definitely be grabbing another one!

  45. Manuel Lin

    I grabbed this top for my usual after-work gym session and it’s an absolute winner. I love that it’s made sustainably, and the support is perfect – no awkward adjusting during deadlifts! The style is so sleek I even wore it to grab groceries afterwards and felt put together. It’s honestly become my go-to.

  46. Malik Parker

    I grabbed this top for a hectic day that went from a morning HIIT class straight into back-to-back meetings. Honestly, it’s a game-changer. The compression is so supportive for a workout, but it’s still super breathable so I didn’t overheat. Best part? It just looks like a sleek, normal top under my blazer for work. I’m seriously impressed – it handled sweat and the boardroom without a fuss. I’ll definitely be buying another one.

  47. Pierre Ito

    As a mum on the go, I live in this top. It’s super stretchy and so flattering, especially when paired with my high-waisted leggings. I wore it for school drop-offs, then straight to a Pilates class and it handled everything perfectly. I’m from Canberra and the shipping was super fast, which was a huge bonus. It’s a total staple, I’ll definitely be grabbing another colour.

  48. Giuseppe Pham

    As a busy Novocastrian, I live in activewear. This top’s been a lifesaver. The compression is fantastic – supportive without feeling suffocating during my gym sessions. I wore it for a brutal HIIT class and it stayed put, wicked sweat away, and looked sleek. Plus, it’s perfect for running errands straight after. I’m from Newcastle and the shipping was super fast, which was a huge bonus! It’s a solid, go-to piece that just works.

  49. Louis Kwon

    Okay, so I’ve basically lived in this top since it arrived. The seamless design is a game-changer – no annoying seams digging in during my morning yoga flow. It’s so ridiculously comfortable and pairs perfectly with my high-waisted leggings for zero midriff worries when I’m stretching. Wore it to Pilates and then just kept it on for the school run. It’s my new favourite. Honestly, just a really solid, go-to top.

  50. Victoria Chen

    I’m obsessed with this top! I wore it to a sunrise yoga class and it moved with me perfectly – so flexible and comfy. The cut is seriously flattering, and I love that it’s made from recycled materials. It’s now my go-to for pretty much everything, from the gym to just running errands. An absolute winner from my activewear drawer

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