iPhone 6s / iPhone 6 Armband, KAMII Sports Armband for iPhone 5/5S/5C, Galaxy S4 Key Holder & Card Slot, Water Resistant, Sweat-proof, (Compatible with Cellphones up to 5.2 Inch) (Black) Designed specifically for iPhone 6s / iPhone 6 4.7 & Samsung Galaxy S6 / S6 Edge 5.1 inch, Lightweight armband keeps your phone secure and protected. Water Resistant and sweat-proof function to better protect your mobile phone, make you feel more comfortable during exercise. DON'T SETTLE FOR BASICS, GO PRO! Made from ADVANCED FORMULA PREMIUM NEOPRENE rather than Lycra, it is sweat resistant and strong yet incredibly flexible and expandable - an iPhone will fit in it with a slim case still on! No need for additional bulky pockets either as you can even keep cash, a credit card, ID card or swipe card behind your device too! Adjustable Velcro band supports a wide range of arm girth from 10.8" (27.5cm) to 16.5" (42cm). Adjustable velcro strap protects and stabilizes device without slipping or constricting. Our Armband Includes A Reflective Strip For Safe Running In Low Light Conditions.  SECURE Built-in Hidden Key Holder, Perfect For House/Car Keys! Never Worry About Having To Carry Your Keys In Your Pocket Or Losing Them At The Gym