Fosmon Kids Chest Strap, Hand-Free Front Camera Adjustable Junior Chest Strap for GoPro Original HD HERO 1 / 2 / 3 / 3+ / 4 (Black, Silver & Session) / 5 (Session) Compatible with GoPro Original HD HERO 1, HERO 2, HERO 3, HERO 3+, HERO 4 Black, HERO 4 Silver, HERO 4 Session, HERO 5, & HERO 5 Session Junior chest straps for kids and children taking on outdoor adventures. Adjustable and secure for stronger hold fitting onto body. Chest: 18-24 inches. Shoulder: 8-14 inches Leaving hand free to do outdoor or indoor activities such as biking, hiking, indoor/outdoor rock climbing and many more. Fitted, lightweight and durable chest strap that is very comfortable to wear without worrying about loosen straps or losing your camera.