Outgeek Colorful Printing Protection Outdoor Cycling Balaclava 100% Polyester Fabric: 100% polyester. Size: Free size, one size fits most, 43.5*25*23 cm Using the digital biological thermal transfer technology, will not fade. Seamless design, good hand feeling, wear comfortable. For outdoor activities: climbing, running, cycling, motorcycling, boating, skiing, skating, snowboarding, hiking, fishing and so on.