The green Bose SIE2i Sport Headphones are sweat-resistant and weather-resistant hydrophobic acoustic cloth. Includes StayHear ear tips that remain in place even during strenuous workouts (S/M/L). Comes with an exclusive Reebok fitness armband that holds an iPhone 5, however its stretchy, material adjusts to fit most smartphones. It has a touch-sensitive window for ease of operation. There's also a pocket for your keys and a slot for your headphones when you're not using them. In great Condition!