Built by Fighters.
Trusted by Champions.

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

Built by Fighters.
Trusted by Champions.

Built by Fighters.
Trusted by Champions.

Inside the ONX Lab: Honing Champions RSS

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.

MMA WEIGHT CLASSES: THE COMPLETE FIGHTER’S GUIDE

From UFC to ONE Championship, discover every MMA weight class, how they work, and key differences across major promotions in this complete fan guide.

HOW TO CHOOSE THE RIGHT MMA SHIN GUARDS FOR TRAINING, SPARRING, AND COMPETITION
Built for the Grind, Not the Hype In a fight, your legs are more than limbs—they’re weapons. In training, they’re targets. That’s why choosing the right MMA shin guards isn’t optional—it’s essential. Whether you’re throwing powerful Muay Thai kicks or...
TOP MMA COUNTER STRIKES WITH TREVOR WITTMAN & JUSTIN GAETHJE

Step inside the ONX Lab with Trevor Wittman and Justin Gaethje to master the art of counter striking. Learn how to disrupt rhythm, control position, and force fight-winning reactions with elite-level precision. This breakdown isn’t about reflex—it’s about strategy.

TOP MMA JABS FOR FIGHTERS - 5 JAB VARIATIONS FOR MMA AND BOXING

This video, titled “My Top 5 Jabs for MMA”, is a technique-focused training aid aimed at helping MMA practitioners enhance their jab both as a standalone tool and as part of multi-strike combinations.

Founder, Onx

TREVOR WITTMAN

3X World MMA Awards Coach of the Year
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