USWE (pronounced - YOU-SWEEE) makes one thing: phenomenal product. Lately, if you've been paying attention to some of the racing scene, you've seen these on some world-class athletes crushing events like Leadville 100, UNBND Gravel, or hard enduros. USWE makes bounce-free action packs that provide the perfect fit on an individual level – developed and tested together with top athletes, pro mountain bikers, and core weekend warriors since 2007. Their mission from day one is to design packs that you can wear in action with a super-snug race fit. But they don't just make packs... The Frontstrap Need a replace your front strap? The Front Strap Kit is a replacement or alternative strap for your packs. It works for all USWE backpacks using the NDM 1.0 or 1.2 harness. This product is compatible with the following models: MOTO Hydro MTB Hydro Airborne Ranger Vertical Patriot Outlander (Not compatible with Outlander PRO) Sizes: XS-S: 76-112 cm / 29-44 inches in chest circumference M-XL: 84 - 120 cm / 33 - 47 inches in chest circumference XXL: 104-140 cm / 41-55 inches in chest circumference