LUMDEER Adult Bike Helmet for Men and Women-Magnetic Taillight, Magnetic Clasps, Lightweight Shockproof, CPSC Safety Certified for Aerodynamic Road Cycling, Mountain Biking & Cyclocross Helm

【Natural Comfort】- This professional cycling helmet is manufactured using an in-mold integrated molding process and complies with CE and CPSC safety standards. Its breathable inner lining is exceptionally soft, providing you with a comfortable and fresh wearing experience. 【Optimal Ventilation】- 23 ventilation openings for excellent air circulation – quickly wicks away heat and moisture, keeping your head comfortably cool and dry. Ideal for city rides and the daily commute. 【Removable Magnetic LED Taillight】- The taillight can be easily attached and removed magnetically. It offers 5 lighting modes and is conveniently charged via USB. Alternatively, it can also be mounted on the bike with a bracket, ensuring greater visibility and safety in traffic. 【Magnetic Closure】- The magnetic, non-slip closure can be quickly opened with one hand by pulling on the strap. The height-adjustable system at the back of the head accommodates braids and enhances comfort. 【Matte Black】- The LUMDEER bike helmet features a matte black base complemented by elegant white accents—modern, timeless, and eye-catching in traffic.