GET THE SHOT: Our Action Harness keeps your camera in a solid position, directly at your chest level to get the best shot possible. We make sure you capture all the action as you ride, bike, ski or run through trails. SIZING: M-XL (Standard Size on all models) approximately 33-47 inches (84-120 cm) in chest circumference PERFECT ACCESSORY: Specifically designed and ready to use on USWE’s Hydration Packs & Backpacks that use the Bounce Free No Dancing Monkey (NDM) 1.0 & 1.2 4-point Race harness. READY FOR ACTION: Regardless of which GoPro Camera you use, this mount is ready to accept any of the past GoPro iterations COMPATIBLE WITH THE FOLLOWING: USWE RAW, MTB Hydro, Airborne, Ranger, Patriot, Vertical, Outlander (NOT COMPATIBLE with Outlander PRO) The USWE Action Camera Harness (ACH) is compatible with all GoPro cameras. It's specially designed to go super solid and flexible, mounted direct at the front of the Bounce Free USWE backpack. For Action Sports such as MTB, Mountain Biking, Road Cycling, Trail Running, Alpine and Nordic Skiing, On and Off-Road Motorcycling, Enduro. You do the mounting of the ACH to you USWE backpack super easy. Just replace the standard harness of the USWE pack with the ACH, and you’re ready for action.