【RELIABLE SECURITY】 The bike helmet uses advanced integrated molding technology to tightly combine sturdy matte PC shell with thickened impact-resistant EPS core, safer and more durable. Trustworthy CPSC+CE dual certification

【EXTENDER VISOR】The removable visor will protects your eyes from direct sunlight and the skin of the face from being scratched by tree branches while not blocking the view

【360° PROTECTION】The full-coverage design of this mountain bike helmet provides a higher level of all-around protection for the head, including the back. Suitable for a wide range of sports types

【ADJUSTABLE & LIGHTWEIGHT】With the knob on the back of this bicycle helmet and the soft chin strap, you can easily find your most comfortable state. No neck fatigue or discomfort even on long rides

【EXCELLENT VENTILATION】14 vents create a perfect air circulation system for this adult bike helmet which help to keep your head cool and comfortable at all times and reduce air resistance during the ride

* HELMET TYPE: mountain bike helmet / bicycle helmet / road bike helmet * HELMET SIZE: 55-61cm / 21.65-24.01 * Dual CERTIFICATION: CPSC 16CFR 1203 + CE EN1078+ * Warm tips： 1. Please measure your head circumference accurately before purchasing this mountain bike helmet * 2. All helmets in our store support free replacement. If you have any questions or concerns about your purchase, please do not hesitate to contact SIFVO after-sales team at any time. We will provide you with an professional and efficient service within 24h.