About this item: - Dual Safety Certifications: CPSC and CE approved. One-piece EPS foam and PC shell absorb impact from all directions. - Ultra Lightweight & Ventilated: Only 260g (0.57lb) with 24 vents for cool, comfortable rides. - USB Rechargeable Rear Light: 3 flashing modes (steady, slow, fast) enhance visibility at night. - 2 Removable Visors & Pads: Protect from sun, wind, and sand. Extra pads for easy cleaning. - Adjustable Fit: Dial system fits M (20.4-22.1in) and L (22.4-23.6in). Suitable for teens and adults. - One-Year Replacement Guarantee: Risk-free purchase for your safety.