Safe and Sturdy Bike Helmet Bike helmet with light, Integrated molding, made of thickened High-density EPS buffer layer inner shell and PC outer shell, shock absorption, high impact resistance, provides higher safety performance and meets the US CPSC ASTM bicycle helmet safety standard. Front And Rear Light DesignedThe commuter bicycle helmet with USB-C charging LED front and rear lights, a headlight that can light up ahead, and a taillight that lets others recognize your direction, which has 4 light modes and can Switch freely easily, provide max visibility and safety while night cycling. Bicycle Helmet for scientifically Designed The bike helmet for women with light, Safety comfortable lightweight, and durable. with a 20-hole ventilation system to enhance the air circulation inside the helmet, distributed mesh thickened Insect net lining, and head fully cushioned, more comfortable to wear, and can be easily removable for cleaning. High-Quality LED Bike Helmet The cycling helmet with light, for adults is designed for European and American head shape men and women riders, Ideal for urban commuting city road mountain biking, cycling, urban, hiking bikes, roller skating, scooter, skateboarding, and other outdoor sports. Cycling Helmet adjustableThis outdoor riding helmet with lights for adults is fully adjustable to fit, provided by the adjustment dial, and can accommodate heads of all sizes, Suitable for 10+ most teens and adults, the Suggested head circumference: (M) 21.2-22.4 inches, (L) 22.8-24 inches (Please measure your head circumference before buying).