A black short-sleeve t-shirt with 'KLEN RX+' printed in white across the chest, accompanied by the words 'SCIENCE / PERFORMANCE / LONGEVITY' underneath. A small black brand label is visible near the lower hem.

Biohack - Oversized T-Shirt

Black / S
$36.00
$36.00
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A black short-sleeve t-shirt with 'KLEN RX+' printed in white across the chest, accompanied by the words 'SCIENCE / PERFORMANCE / LONGEVITY' underneath. A small black brand label is visible near the lower hem.
  • A black short-sleeve t-shirt with 'KLEN RX+' printed in white across the chest, accompanied by the words 'SCIENCE / PERFORMANCE / LONGEVITY' underneath. A small black brand label is visible near the lower hem.
  • oversize klen rx gym biohack shirt on white background
  • black male wearing biohack shirt
  • A man viewed from the back wearing a black oversized T-shirt with a large white sci-fi graphic print that reads 'BIOHACK' and 'KLEN RX+'.
  • A model wearing an oversized black Klen RX+ t-shirt with white text on the chest and a small white Klen patch near the bottom hem, paired with light gray sweatpants against a white background.
  • A person wearing a black oversized T-shirt from the back, featuring a large white sci-fi graphic with the text 'BIOHACK' and 'KLEN RX+' plus a human figure diagram. The person is also wearing light gray sweatpants against a plain white studio background.
  • A black short-sleeve t-shirt with 'KLEN RX+' printed in white across the chest, accompanied by the words 'SCIENCE / PERFORMANCE / LONGEVITY' underneath. A small black brand label is visible near the lower hem.
  • oversize klen rx gym biohack shirt on white background
  • black male wearing biohack shirt
  • A man viewed from the back wearing a black oversized T-shirt with a large white sci-fi graphic print that reads 'BIOHACK' and 'KLEN RX+'.
  • A model wearing an oversized black Klen RX+ t-shirt with white text on the chest and a small white Klen patch near the bottom hem, paired with light gray sweatpants against a white background.
  • A person wearing a black oversized T-shirt from the back, featuring a large white sci-fi graphic with the text 'BIOHACK' and 'KLEN RX+' plus a human figure diagram. The person is also wearing light gray sweatpants against a plain white studio background.
Biohack - Oversized T-Shirt

Biohack - Oversized T-Shirt

$36.00
$36.00
ColorBlack
Size

Built bigger for bodies built different. The KLEN RX BIOHACK Oversized Shirt delivers a roomy unisex fit with extra space through the chest, shoulders, and arms—made for bodybuilders, lifters, and anyone who prefers a heavier, more relaxed silhouette.

NO PERMISSION REQUIRED.


Fabric: 100% cotton

Fabric Weight: 8.8 oz/yd² (300 g/m²)


Care Instructions: Machine wash at 30°C (gentle cycle); Do not bleach; Tumble dry low; Iron at low temperature, avoid ironing on print; Do not dry clean


Notes: Minor batch differences can occur during blank garment production due to variations in fabric, dye and processing. This is common in apparel manufacturing, and we work hard to keep every item consistent.

S M L XL 2XL
inch cm inch cm inch cm inch cm inch cm
Length 27.95 71 28.74 73 29.53 75 30.31 77 31.10 79
Shoulder 19.69 50 20.87 53 22.05 56 23.23 59 24.41 62
Chest 20.87 53 22.05 56 23.23 59 24.41 62 25.59 65
Sleeve length 8.66 22 8.86 22.5 9.06 23 9.25 23.5 9.45 24