Sweat Proof Running Case Armband for Iphone 6/6S 5 Inch iPhone 6S Armband. Precisely fits the contours of iPhone 6 6S Samsung S7 S7 Edge S6 S6 Edge S5 S4 and supports touch-screen operation. Made of high quality lycra, it is soft, slim, breathable, lightweight and comfortable to wear. 9-14.5 inches adjustable design makes it fit all arm sizes. The audio port at the top allows you to enjoy your favorite music during outdoor sports.