Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L - view 1

Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L - view 2

Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L - view 3

Base FLXCotton Long Sleeve Tee

CA$70

Bring it back to basics. Our most popular Mens All Day Active Tee now in a long sleeve fit. The Black Base FLXCotton Long Sleeve Tee is a clean basic design ready for everyday wear, tried and tested to perform with our signature FLXCotton fabric. Using spandex yarns woven with soft cotton for added stretch, Base allows you to move like you and focus on the workout at hand.

Black

Select Size:

Size Guide

2XL

3XL

Runs Smaller

True To Size

Runs Larger

FLXCotton fabric that moves with you
Regular Fit
Reflective Branding

SKU: MLST02105

SamHEIGHT: 182cm (5'10")CHEST: 99cm (39")WAIST: 82cm (32")WEARS: L

[{"id":41420469895264,"title":"Black \/ XS","option1":"Black","option2":"XS","option3":null,"sku":"MLST02105-Black-XS","requires_shipping":true,"taxable":true,"featured_image":{"id":37277708124256,"product_id":7237309530208,"position":1,"created_at":"2026-06-16T22:01:05-07:00","updated_at":"2026-06-16T22:01:05-07:00","alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","width":1600,"height":2000,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465","variant_ids":[41420469895264,41420469928032,41420469960800,41420469993568,41420470026336,41420470059104,41420470091872]},"available":true,"name":"Base FLXCotton Long Sleeve Tee - Black - Black \/ XS","public_title":"Black \/ XS","options":["Black","XS"],"price":7000,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"9359139637085","featured_media":{"alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","id":28177936482400,"position":1,"preview_image":{"aspect_ratio":0.8,"height":2000,"width":1600,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":41420469928032,"title":"Black \/ S","option1":"Black","option2":"S","option3":null,"sku":"MLST02105-Black-S","requires_shipping":true,"taxable":true,"featured_image":{"id":37277708124256,"product_id":7237309530208,"position":1,"created_at":"2026-06-16T22:01:05-07:00","updated_at":"2026-06-16T22:01:05-07:00","alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","width":1600,"height":2000,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465","variant_ids":[41420469895264,41420469928032,41420469960800,41420469993568,41420470026336,41420470059104,41420470091872]},"available":true,"name":"Base FLXCotton Long Sleeve Tee - Black - Black \/ S","public_title":"Black \/ S","options":["Black","S"],"price":7000,"weight":289,"compare_at_price":null,"inventory_management":"shopify","barcode":"9359139637092","featured_media":{"alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","id":28177936482400,"position":1,"preview_image":{"aspect_ratio":0.8,"height":2000,"width":1600,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":41420469960800,"title":"Black \/ M","option1":"Black","option2":"M","option3":null,"sku":"MLST02105-Black-M","requires_shipping":true,"taxable":true,"featured_image":{"id":37277708124256,"product_id":7237309530208,"position":1,"created_at":"2026-06-16T22:01:05-07:00","updated_at":"2026-06-16T22:01:05-07:00","alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","width":1600,"height":2000,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465","variant_ids":[41420469895264,41420469928032,41420469960800,41420469993568,41420470026336,41420470059104,41420470091872]},"available":true,"name":"Base FLXCotton Long Sleeve Tee - Black - Black \/ M","public_title":"Black \/ M","options":["Black","M"],"price":7000,"weight":276,"compare_at_price":null,"inventory_management":"shopify","barcode":"9359139637108","featured_media":{"alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","id":28177936482400,"position":1,"preview_image":{"aspect_ratio":0.8,"height":2000,"width":1600,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":41420469993568,"title":"Black \/ L","option1":"Black","option2":"L","option3":null,"sku":"MLST02105-Black-L","requires_shipping":true,"taxable":true,"featured_image":{"id":37277708124256,"product_id":7237309530208,"position":1,"created_at":"2026-06-16T22:01:05-07:00","updated_at":"2026-06-16T22:01:05-07:00","alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","width":1600,"height":2000,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465","variant_ids":[41420469895264,41420469928032,41420469960800,41420469993568,41420470026336,41420470059104,41420470091872]},"available":true,"name":"Base FLXCotton Long Sleeve Tee - Black - Black \/ L","public_title":"Black \/ L","options":["Black","L"],"price":7000,"weight":302,"compare_at_price":null,"inventory_management":"shopify","barcode":"9359139637115","featured_media":{"alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","id":28177936482400,"position":1,"preview_image":{"aspect_ratio":0.8,"height":2000,"width":1600,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":41420470026336,"title":"Black \/ XL","option1":"Black","option2":"XL","option3":null,"sku":"MLST02105-Black-XL","requires_shipping":true,"taxable":true,"featured_image":{"id":37277708124256,"product_id":7237309530208,"position":1,"created_at":"2026-06-16T22:01:05-07:00","updated_at":"2026-06-16T22:01:05-07:00","alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","width":1600,"height":2000,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465","variant_ids":[41420469895264,41420469928032,41420469960800,41420469993568,41420470026336,41420470059104,41420470091872]},"available":true,"name":"Base FLXCotton Long Sleeve Tee - Black - Black \/ XL","public_title":"Black \/ XL","options":["Black","XL"],"price":7000,"weight":321,"compare_at_price":null,"inventory_management":"shopify","barcode":"9359139637122","featured_media":{"alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","id":28177936482400,"position":1,"preview_image":{"aspect_ratio":0.8,"height":2000,"width":1600,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":41420470059104,"title":"Black \/ 2XL","option1":"Black","option2":"2XL","option3":null,"sku":"MLST02105-Black-2XL","requires_shipping":true,"taxable":true,"featured_image":{"id":37277708124256,"product_id":7237309530208,"position":1,"created_at":"2026-06-16T22:01:05-07:00","updated_at":"2026-06-16T22:01:05-07:00","alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","width":1600,"height":2000,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465","variant_ids":[41420469895264,41420469928032,41420469960800,41420469993568,41420470026336,41420470059104,41420470091872]},"available":true,"name":"Base FLXCotton Long Sleeve Tee - Black - Black \/ 2XL","public_title":"Black \/ 2XL","options":["Black","2XL"],"price":7000,"weight":325,"compare_at_price":null,"inventory_management":"shopify","barcode":"9359139637139","featured_media":{"alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","id":28177936482400,"position":1,"preview_image":{"aspect_ratio":0.8,"height":2000,"width":1600,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":41420470091872,"title":"Black \/ 3XL","option1":"Black","option2":"3XL","option3":null,"sku":"MLST02105-Black-3XL","requires_shipping":true,"taxable":true,"featured_image":{"id":37277708124256,"product_id":7237309530208,"position":1,"created_at":"2026-06-16T22:01:05-07:00","updated_at":"2026-06-16T22:01:05-07:00","alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","width":1600,"height":2000,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465","variant_ids":[41420469895264,41420469928032,41420469960800,41420469993568,41420470026336,41420470059104,41420470091872]},"available":true,"name":"Base FLXCotton Long Sleeve Tee - Black - Black \/ 3XL","public_title":"Black \/ 3XL","options":["Black","3XL"],"price":7000,"weight":341,"compare_at_price":null,"inventory_management":"shopify","barcode":"9359139637146","featured_media":{"alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","id":28177936482400,"position":1,"preview_image":{"aspect_ratio":0.8,"height":2000,"width":1600,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

{"id":41420469895264,"title":"Black \/ XS","option1":"Black","option2":"XS","option3":null,"sku":"MLST02105-Black-XS","requires_shipping":true,"taxable":true,"featured_image":{"id":37277708124256,"product_id":7237309530208,"position":1,"created_at":"2026-06-16T22:01:05-07:00","updated_at":"2026-06-16T22:01:05-07:00","alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","width":1600,"height":2000,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465","variant_ids":[41420469895264,41420469928032,41420469960800,41420469993568,41420470026336,41420470059104,41420470091872]},"available":true,"name":"Base FLXCotton Long Sleeve Tee - Black - Black \/ XS","public_title":"Black \/ XS","options":["Black","XS"],"price":7000,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"9359139637085","featured_media":{"alt":"Man wearing Base FLXCotton Long Sleeve Tee - Black | Model:Sam | Size:L","id":28177936482400,"position":1,"preview_image":{"aspect_ratio":0.8,"height":2000,"width":1600,"src":"\/\/ca.lskd.co\/cdn\/shop\/files\/L-Model-Mens-Base-FLXCotton-Long-Sleeve-Tee-Black-3.jpg?v=1781672465"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

Made with:

FLXCOTTON FABRIC

Our iconic jersey fabric; a super smooth and soft cotton blend with amazing stretch - deisgned to move with you. The added elastane enhances shape retention and wrinkle resistance, making this one of our go-to fabrics for tees and tanks.

HANDFEEL: Buttery-Soft

FEEL ON THE BODY: Unrestricted Comfort

FABRIC ORIGIN: Bangladesh

COMPOSITION: 95% Cotton, 5% Elastane

WEIGHT: 165gsm

FEATURES & BENEFITS:

Multi-Directional Stretch
Shape Retention
Wrinkle Resistant

Overall rating: 4.7639375 / 5 from 2296 reviews.

AI Generated Review Summary

The Base FLXCotton Long Sleeve Tee in Black is praised for its high-quality material, comfortable fit, and great design. Customers appreciate the soft and lightweight fabric, true-to-size fit, and the minimalistic yet stylish look. The color and reflective branding also received positive feedback.

Summary topics

Product Quality (18%): Many customers appreciated the great quality of the product, which was mentioned multiple times in the reviews.
Product Size (6%): Customers appreciated the size of the product, with many stating it was true to size and fit.
Product Design (3%): Customers raved about the design, with many describing it as nice, great, and minimalistic.
Product Feel (8%): Customers loved the feel of the product, with many describing it as amazing, soft, and comfortable.
Product Looks (6%): Customers expressed satisfaction with the look of the product, with many stating that it looks great and amazing.

Review topics: ["feel","movement","fit","issues","material","quality","fabric","colour","looks","size","length","shipping","design","weight","stretch","shirt","comfort","cut","shape","tee","style","comfy","light","wear","texture","shoulders","value","top","sleeves","finish"].

Review highlights

"Good quality shirt, nice feel and fabric, great fit, easy to wash and wear." — Luke C.
"Clothes delivered fast, comfortable fit and good quality material." — Josh C.
"Great colour, fit and size was perfect." — Tim W.

Reviews

Love the shirt

"Bought for my husband cause the material is super comfortable and soft to the touch. Love the cut! Hope they have more muted colours. The cutting is huge and we sized down about 3 sizes"

— Zyra T. (5/5)

Great T

"Colour, fit and feel are awesome. I wear it to the gym and it’s great. My workouts are MetCon based so relatively high intensity with a mix of heavy and light weights and reps. Perfect T-shirt for me."

— Sam S. (5/5)

Fantastic quality

"ITS BEEN SO HARD TO FIND THE RIGHT SIZE SHIRT. LOVE THE OVERSIZED FEEL AND MATERIAL QUALITY"

— Dylan P. (5/5)

Great tee

"Really happy with this style and the quality, regular fit length was perfect, will be back for more as there was a great colour selection to choose from."

— Liv C. (5/5)

Perfect Material & Fit

"I absolutely love the material of this T-shirt — it’s so comfortable to wear! I also really like the fit, which is comfortable and well designed. I’d love to see the same material and fit available in a tank top version."

— Karyl K. (4/5)

Comfy, stylish, Durable.

"Comfy to wear, soft cotton to the touch. Enough comfort for casual wear and durable enough for the gym. Suits all my needs. This shirt is the full package. Ready to purchase a few more in different colours to expand my LSKD gear."

— Justin E. (5/5)

Great fit and quality

"The fabric feels lightweight but good quality, so great for exercise or chilling. Washes well, keeps shape and colour. A relaxed fit and not boxy."

— Jemma K. (5/5)

My husband is a convert

"Bought this shirt for my husband, and he is obsessed. Officially converted him to LSKD"

— Brittany V. (5/5)

This shirt is best go-to.

"This shirt is best go-to. Fits really well and fabric is soft, breathable, it doesn’t get creased."

— Adrielly K. (5/5)

Great

"My husband says they are great for the gym even Light weight Stays shape when washed"

— Helen W. (5/5)

Menu

New & Trending

Shop By Category

Seasonal Colours

Core Colours

New & Trending

Shop By Category

Seasonal Colours

Core Colours

New & Trending

Shop By Category

Womens

Mens

Accessories

Base FLXCotton Long Sleeve Tee

Select Size:

FLXCOTTON FABRIC

FEATURES & BENEFITS:

AI Generated Review Summary

Summary topics

Review highlights

Reviews

Love the shirt

Great T

Fantastic quality

Great tee

Perfect Material & Fit

Comfy, stylish, Durable.

Great fit and quality

My husband is a convert

This shirt is best go-to.

Great

Q&A

You may also like