Comfort PerformanceUpgraded chesty has a padded construction design that is more stable and comfortable on your chest. It's made with breathable lightweight materials that further add to the comfort aspect. Flexible StrapFully adjustable to comfortably fit a wide range of body types as well as over heavy winter coats. Specially designed quick-release buckle lets you get in and out easily even with gloves on. Stabilization StructureStable platform for capturing incredibly immersive hands-free POV footage with GoPro from your chest. Delivers an ultra engaging perspective, lower-than-the-helmet view of the action. Wide ApplicationGreat for getting awesome videos and photos while biking, hiking, skiing, mountain biking, cycling, motocross, snowboarding, fishing, kayaking, rafting, surfing, climbing, soccer, sightseeing, football and family trips. Extensive MatchCompatible with all Go Pro Hero11, Hero10, Max, Hero9, Hero8, Hero7, Hero6, Hero5, Session, Hero4, Hero3+, Hero3, Hero2, Hero1, Hero (2018), Fusion and DJI Osmo, AKASO, SJCAM, APEMAN, Campark, Insta 360 action cameras.