Material: The shell of SanQing 3/4 half helmet is made of ABS engineering material, and the buffer layer is made of high-density EPS Foam. Open Face 3/4 Design Shell Offers Protection Combined with a Wide Field of Visibility Prevents That Claustrophobic Feeling. Removeable and washable liner and skin-friendly pads to keep helmet clean and dry. Dual Visor Design :inner Retractable Smoked Visor + Outer Clear Shield. Easy-use switch for quick change of sun visor. Adjustable Flow-through Ventilation to create a constant,light flow of air and lightweight design helping to keep the rider cool and comfortable. This 3/4 half modular helmets are perfect for many motorcycle bike gear: harley, motocross, dirt bikes, ATV, four wheeler, snowmobile, moped and scooter motorcycle.