This is the Go Pro Chest Mount Harness aka Chesty" for all HD Hero Cameras Features: 1 Adjustable Chest Harness 1 Vertical Surface "J-Hook" Buckle Warranty: 1 Year Compatible with: HERO3+, HERO3, HD HERO2, Original HD HERO The "Chesty" is fully adjustable to fit all sizes. Makes it easy to capture immersive video and photo footage from, well...your chest. Perfect for skiing, mountain biking, motocross, paddle sports, or 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. "