The Front Strap Kit is a product that works for all USWE backpacks using the NDM 1.0 or 1.2 harness.
L-XXL Strap is approximately 104-140 cm / 41-55 inches in chest circumference
This product is compatible with the following models:
Raw
MTB Hydro
Airborne
Ranger
Vertical
Patriot
Outlander (Not compatible with Outlander PRO)