Built by Fighters.
Trusted by Champions.

SHOP OUR GEAR   ➔
Trevor Wittman and Justin Gaethje training for UFC at the ONX gym with ONX gloves and equipment.

Built by Fighters.
Trusted by Champions.

SHOP OUR GEAR   ➔

Built by Fighters.
Trusted by Champions.

SHOP OUR GEAR   ➔

Inside the ONX Lab: Honing Champions RSS

Justin Gaethje training with Trevor Wittman at the ONX gym with ONX gloves.
BOXING WEIGHT CLASSES: COMPLETE GUIDE FOR FIGHTERS AND FANS

Learn boxing weight classes, history, and strategy. See pro & amateur divisions, rules, and tips for competing at your optimal weight.

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