Keep your LifeProof iPhone case securely positioned at arms length with the LifeProof iPhone Armband. Ideal for workouts, surfing, dirt biking, or anywhere you need your iPhone's capabilities close at hand. Built from cutting-edge materials and designed for optimum performance. Supple breathable lycra, non-slip silicone dots and light weight materials create an ultra-comfortable fit. The 65mm-wide Velcro-adjustable band fits snugly around arms ranging from a sinewy 10" up to those 15.2" big guns. Plus, retro-reflective markings make you more visible during night training.