Trauma Void Lynx Helmet The Lynx Smooth Top helmet has a matte glossy surface that gives a stylish look and makes it easy to keep clean. Ventilation holes on both the front and back keep you cool and comfortable. The inner lining has our Coolmax(R) technology that wicks away moisture and further increases comfort. The lining is removable and can be easily washed clean with lukewarm water. The Lynx has a round fit and comes in three sizes: small, medium, and large. The helmet has a dial-fit in the back, which allows you to adjust the size more accurately. Features: MIPS security system Adjustable fit Soft screen for reduced risk of injury Ventilation front and rear Washable functional lining Approved for riding in all disciplines