Baseball Bump Cap, Safety Hard Hat Comfortable Lightweight Head, Dark Blue ??Super Shockproof?-- This anti-collision helmet has built-in high-quality PE shock-absorbing cap shell to prevent light-weight collision, reduce the damage of foreign objects to the head. ??Four Vents?-- Four vents convective air, ventilation effect is obvious, breathable and wicking, comfortable to wear, effective relief of head pressure. ??Quality Material?-- The safety baseball cap fabric is made of cotton, use ABS high-strength plastic and foam padding, which has impact resistance and heat resistance. ??Easy to Clean?-- It can be adjusted according to the size of your head, suitable for most adults to wear. Dirt resistant and easy to clean. ??Wide Application?-- This lightweight helmet is mainly used by maintenance workers, welders, industrial and mining chemicals.