Gonex Outdoor Cycling Ski Balaclava Face Mask/Tactical Hood/Full Face Mask/Tactical Hood Headwear Balaclavas/Motorcycle Mask Size: Adult, One Size fits most. Also fits Juniors and Teens Provides basic face and neck coverage Perfect for field operations,cycling,hiking and many more outdoor activities. Material:WN serials:Lycra fabric(Soft and Breathable Fabric);WP serials:Milk Fabric(Soft Fabric,moisture and perspiration)