Product Specifications Size: S: 55-56 cm M: 57-58 cm L: 59-60 cm XL: 61-62 cm 3XL: 65-66 cm Head Circumference Measurement:Use a measuring tape to measure your head circumference by placing it 1 cm above your eyebrows and around the top of your ears in a horizontal circle. This will help you determine your head size and the appropriate helmet size. Product Features Aerodynamic design with built-in air guides to reduce wind resistance. EQRS (Emergency Quick Release System) for the inner lining. Multi-density helmet structure for balanced weight, ensuring comfort during extended wear. Enlarged ventilation holes, complemented by an internal ventilation system to enhance heat expulsion and maintain interior comfort. Multi-density inner padding contoured to facial lines for improved fit and comfort; includes a fully removable and washable chin pad, with fabric that is quick-drying, soft, and hypoallergenic. Includes built-in earphone slots for easy insertion of communication devices without discomfort. Detachable external visor with a floating mount, thicker lenses for enhanced stability, and a hard coating for scratch resistance and UV protection. Brake-style built-in sunglasses for easy and convenient operation. Complies with enhanced safety certifications ECE, DOT, JIS, CNS.
