Nike running armband.
It is designed to hinder you as little as possible during training.
Transparent window for protection and compatibility with the touch screen.
Compatible with most smartphones.
Adjustable strap with hinges on hand for a custom fit.
Reflectors for low light visibility.
Small holes for the passage of multimedia cables.
Dimensions of the transparent window: 8 cm x 15 cm
Composition: 38% neoprene, 25% polyester, 13% aluminum alloy, 13% nylon, 11% polyurethane