Need your pack in a larger size? This front strap kit will turn any NDM 1.0 or 1.2 pack into a Large - XX-Large version.The Front Strap Kit is a product that works for all USWE backpacks using the NDM 1.0 or 1.2 harness.The X-Small Strap is approximately 104-140 cm / 41-55 inches in chest circumferenc.This product is compatible with the following models:MOTO HydroMTB HydroAirborneRangerVerticalPatriotOutlander (Not compatible with Outlander PRO)