The FOX Mainframe combines style and safety in an affordable trail helmet. Featuring the renowned MIPS™ impact protection system, this helmet reduces rotational forces during a collision by absorbing and redirecting energies and forces that would otherwise be transferred to the brain. With extended coverage for top-notch safety, this ultra-lightweight helmet boasts optimized ventilation with channeled, molded EPS for efficient cooling. The moisture-wicking liner is removable and machine washable. Weighing only 390g (size M), and composed of 42% EPS, 15% PC, 14% PA, 11% PP, and 4% polyester, the FOX Mainframe is designed for rigorous trails while delivering unmatched comfort and protection.