Pro-Tec Classic Skate Helmet High-density, injection-molded PE shell and inner 2-stage foam liner protect against low impacts and bumps Plush moisture wicking liner and fabric prevents dripping sweat, allowing wearer to stay drier and focus 11 large vents improve flow-through air channeling to keep the wearer cool during intense action sports Lightweight, comfortable, and versatile protection for a wide variety of action sports through 40 years of design