HEAD STRAP The head strap creates hands-free, captures footage from a headlamp-like perspective. It is fully adjustable to fit all sizes and can be worn over a helmet or directly on your head in a headlamp-like position. You can enjoy the excitement from first person view when riding a bike, hiking, zip-lining, snorkeling among tropical fish. Adjustable nylon straps with non-slip rubber inserts create and maintain a proper fit, while durable polycarbonate buckles ensure secure, reliable connections. CHEST STRAP They are made with nylon straps and polycarbonate buckles. The chest harness lets you capture your knees & skis on the slopes, or your bike frame & handlebars. The Chesty makes it easy to capture immersive video and photos from your chest. Provide any activity where you want a more engaging, lower-than-the-helmet view of the action. Quick release buckle design lets you get in and out easilly. Fully adjustable to fit a wide range of adult sizes.