

The cult collection from Gymshark that sells out every time. Featuring powerful silhouettes, heavy-duty compression and a physique-enhancing design you'll feel stronger just for putting on: this is Onyx.

Onyx is sold out, but check out these other compression tops that’ll also make your arms look huge.
slim fit
Iron Blue / Stealth Blue
muscle fit
Grey/GS Black
muscle fit
GS Impact Burgundy/GS Cherry Purple
muscle fit
Black/White
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