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Trust Me, It's Genetics — backBack
Trust Me, It's Genetics — frontFront
Toxic Lab SeriesSleeveless muscle fit with dropped armholes

Trust Me, It's Genetics

$45

Muscle Tank

Garment

Color

Size

Choose your usual size for a structured oversized look. Size up if you want a looser pump-cover fit.

Free worldwide shipping

Printed on demand · free worldwide shipping. Production and delivery times are in the Shipping & returns page.

Front chest lab mark and large back print Lab-approved artwork
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A premium heavyweight oversized tee from the Toxic Lab Series, built for the lifter whose gains have only one official explanation. The alchemist bull on the back, the lab mark on the chest, and the line every gym bro deploys when the numbers stop adding up. Trust me, it's genetics.

Bella + Canvas 3483 Airlume combed cotton muscle tank (4.2 oz)

Fit guide

Oversized gym/streetwear fit with room through shoulders, chest and arms.

Choose your usual size for a structured oversized look. Size up if you want a looser pump-cover fit.

SizeChest cmChest in
S89-99 cm35-39 in
M99-109 cm39-43 in
L109-119 cm43-47 in
XL119-130 cm47-51 in
2XL130-140 cm51-55 in
3XL140-150 cm55-59 in

Between sizes, or carrying more shoulder and arm mass? Go one size up.

Artwork shown: English. The artwork you see here is the artwork printed on your item.

$45

Size: L

Built different. Printed different.

  • Heavyweight oversized blank — a real boxy pump cover, not a thin promo tee.
  • Original Toxic Lab artwork, front + back, printed on demand for your order.
  • Free tracked worldwide shipping — straight from the Lab to your door.

Fit

Sleeveless muscle fit with dropped armholes

Material

Bella + Canvas 3483 Airlume combed cotton muscle tank (4.2 oz)

Returns

Each item is made to order. We replace or refund damaged items, wrong items, misprints or production/shipping issues.

Lab feedback

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FAQ

How does it fit?

Structured oversized with room through shoulders, chest and arms. True to size for a structured look; size up for a looser pump-cover fit.

Which size should I pick?

Use the size guide and measure your chest. Between two sizes, or carrying more shoulder and arm mass? Go one up.

When will it arrive?

Each piece is made to order, then shipped worldwide. Check production and delivery times on the Shipping & returns page.

What if I get the wrong size?

Made-to-order items aren't exchanged for sizing, so check the guide before ordering. Damaged, wrong or misprinted items are replaced or refunded.

What's the quality?

AS Colour 5082 heavyweight garment-dyed 100% cotton (7.1 oz), with a front chest lab mark and a large back print.

Toxic Lab Series

Complete the series