[High Safety Protection: The Shinmax bike helmet meets US standards using in-molding technology a PC shell and EPS foam to absorb impacts and enhance safety and comfort for adults Integrated USB Rechargeable LED Lights: Shinmax Adult Cycling Helmet has USB-rechargeable front and rear LED lights for visibility and safety with 5 rear light modes for night visibility without removing the helmet. Adjustable Fit and Comfort: Shinmax Adult bike helmet adjusts easily with its dial fit system for head sizes 59-61cm. Lightweight and 8 holes make it breathable for comfort on long rides and the removable visor adds versatility for different conditions "Certified Protection: Shinmax bike helmets meet CPSC and CE standards for reliable impact protection. Our womens ebike helmets offer quality materials and stylish design prioritizing safety and comfort." Removable Lining : Skateboard helmet with comfortable and soft thickened lining fully cushions the head making our cycling helmet more comfortable to wear and can be easily removed and cleaned Multi-Purpose Helmet: Adult bicycle helmets for men and women. Widely suitable for urban commuting city roads mountain biking bicycles roller skating skateboards skiing baseball equestrian skating scooters and electric bicycles. Customer Service Commitment: Shinmax stands behind our products with 24/7 customer support. If you encounter any issues with our adult helmets please let us know promptly for a satisfactory resolution.]