Features MIPS® Safety System Add an extra layer of protection with the integrated MIPS safety system, designed to reduce the rotational motion of certain impacts that may otherwise be transferred to your head. Lightweight Design Integrated molding keeps the helmet ultra-light at just 300 g, reducing riding fatigue for a comfortable, effortless ride. EPS with U.S.-Imported Materials Made with high-density EPS foam (95 g/L) from U.S.-imported materials and a thickened PC shell with dual-mold in-mold construction, the helmet offers a stronger, more integrated structure that helps absorb shocks and enhance head protection. ASTM & CPSC Certified Meets ASTM and CPSC safety standards for bike and roller helmets, ensuring professional certification and reliable protection. Aerodynamic Design with Natural Ventilation 21 strategically placed vents with embedded channels enhance airflow, quickly dissipate heat, and keep your head cool and comfortable. 360° Fit System with Chin Pad Adjust the helmet easily with one hand while the wrap-around chin pad and trapezoidal buckle ensure a secure, personalized fit that contours to your head and face shape. Size Guide Wrap a tape around your forehead and the back of your head for circumference, and measure the widest part between your ears for width. Stay Safe on Every Journey Perfect for cycling, skating, commuting, and other outdoor activities, providing safety and comfort wherever you go.