Key Features Mips® Integra Split equipped 2-layer EPS helps absorb impacts Two-position visor is GoPro® compatible Lightweight carbon fiber shell Channeled EPS for better ventilation Removable, washable Ionic+® liner Rampage RS: the evolution of the legendary Rampage Pro Carbon (RPC). The Rampage RS Abyss Helmet brings excellent protection to your gnarliest downhill runs. Packed with features, such as the Mips® Integra Split system designed to reduce rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain, 2-layer EPS for impact protection, a lightweight carbon shell, and a removable, washable  Ionic+® liner comfort liner and cheek pads, this is the helmet trusted by pros. Specifications Mips® Integra Split system is meant to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain Two layer EPS helps abosrb impacts at high and low speeds Two-position visor is Go-Pro compatible Lightweight carbon fiber shell construction Channeled EPS for better ventilation Removable, washable ionic +® comfort liner and cheek pads are antimicrobial and manage odor while wicking moisture away from the head Meets EN 1078, CPSC 1203, AS/NZS 2063, and ASTM F1952"" Meets the NTA-8776 E-bike helmet certification standard