BRG Technology Co/GYM Workout Armband Bike Cycle Jogging Running Exercise/Defender Cases with Key Pocket /For iphone 6 (4.7) /multiple color (Blue) Water Resistant and sweat-proof function to better protect your mobile phone, make you feel more comfortable during exercise. Built in Reflective strip for safe running in low light conditions. Built-in Key holder and Card Slot. Cutouts for easy access to headphones port and controls. A sweat resistant layer prevents sweat and moisture from getting in through any cutouts. Adjustable Strap Fits Arms 8-16" with BONUS EXTENDER STRAP for Big Guns Up To 22 sport / running/GYM for iPhone 6 multiple color