Set includes : Set includes helmet 1pcs, balaclava mask 1pcs and helmet storage bag 1pcs . DOT Standard : KRN helmet is produced and inspected in strict accordance with international standards.It has been approved by DOT. Design advantages : Streamlined aerodynamic design helps reduce wind resistance and noise. Multiple vents facilitate air circulation.The modular helmet with flip up design can provide convenience for drinking water or making phone calls during the riding. Features of product : It has a lightweight ABS shell, EPS buffer layer, breathable,and Lining made of hypoallergenic fabric, comfortable against the skin. This liner is removable and easy to clean.