Nike Lean Armband NRN65-082 Properties: armband for runners allows for convenient use of mobile devices fits most smartphone models adjustable Velcro strap ensures a precise fit transparent, protective window adapted to touch screens reflective elements ensure better visibility after dark window dimensions: length - 14 cm, width - 7.5 cm Material: 38% neoprene 25% polyester 13% nylon 13% aluminum alloy 11% thermoplastic polyurethane Color: black