TOOGOO(R) 21 Vents Ultralight Sports Cycling Helmet with Lining Pad Mountain Bike Bicycle Adult White Made of EPS & PC, high density, durable and comfortable. 21 vents bring cool air in and flush warm air out, well-ventilated. With removable, protective, sweat absorption lining and cerebral pad, comfortable to wear and easy to wash. With removable visor and adjustable strap Stay safe while cycling with the bike helmet, perfect for beginners on-road and off-road use.