I ❤️ RETA T-Shirt

SP Biolabs “I ❤️ RETA” Heavyweight Tee

Rep your love for research in style.
Our “I ❤️ RETA” T-shirt blends lab culture with streetwear edge, printed on the premium Shaka Wear Unisex Max Heavyweight T-Shirt (SHMHSS) — the same ultra-thick 7.5 oz/yd² cotton favored by serious lifters and serious scientists alike.

Front: “I ❤️ RETA” design featuring the Retatrutide molecular structure
Back: SP Biolabs logo

Details

7.5 oz/yd² 100% USA cotton (16 singles) for that dense, structured feel

Oversized / relaxed streetwear fit with a slight drop shoulder

2% lycra ribbed neck for durability and shape retention

Shoulder-to-shoulder neck tape and double-needle stitching throughout

Forward-thrusted shoulder seam for an ideal drape

Quarter-turned to eliminate center creases

Printed in the USA

Whether you’re pipetting, pressing plates, or pressing 405 lbs, this is the lab tee built to hold up under pressure.