Motorcycle Bicycle Skiing Under Helmet Liner Hat Quick-Dry Cycling Skull Cap Features: 1 Made of high-quality polyester material, which is breathable, quick-drying, antibacterial. 2 The helmet liner is made possible by advanced moisture wicking technology that absorbs and rapidly evaporates sweat tested under extreme sports. 3 It can be used as a liner under helmets providing a comfortable cushions while preventing sweat from stinging the eyes. 5 It is lightweight, durable and has added ventilation for maximum comfort. 6 Great to use for any helmet sport or even as everyday wear. Specifications: Material:Polyester Features:Breathable,UV protective,elastic,quick-dry Package included: 1x skull cap