This chest harness is fully adjustable to fit all sizes. It's easy to capture immersive video and photo footage whether you're skiing, mountain biking or at any activity where you want to get a “lower than the helmet” view of the action. See more of your arms, knees poles, and skis while skiing, or your arms and handlebars while biking or riding your motorcycle. Recommended as a more immersive way to film than on the helmet. pCompatible with all HD HERO Original + HD HERO2 Cameras. Includes J-Hook buckle. Cases Take care of your new camcorder with one of our cases. Click here to view the range.