Neck warmer(scarf) for Winter (size : free) – 53% Nylon, 39% Polyester, 8% Spandex. | Our special function(Air hole) - It makes you breath easier, Even when you wear glasees, the lens and eyes do not take up moisture. | Seamless Design to make more comfortable than others. We make sure you'll be more comfortable. | Perfect for Winter sports and activities even daily life. Protects your skin from freezing temperatures. | High Performance Fabric – Quick and Dry transport system. Wicks sweat away from the body, keeping you warm. Extremely Elastic Material Warming. Perfect for All Activities even Work-space.