Pro-Tec Classic Bucky Skate Helmet Outer HDPE shell and 2-stage premium soft foam liner protect against low impacts and bumps Plush moisture wicking liner and fabric prevents dripping sweat, allowing wearer to stay drier and focus Lightweight and low-profile helmet maximizes vision and maneuverability while maintaining toughness 11 strategically placed vents improve flow-through air channeling to keep the wearer cool