With MIPS as standard, the high performance, ultra-lightweight, low profile, and perfect-fitting Sol X establishes the new standard of performance and safety at our entry-level price point. It masters all conditions & looks great doing it. ACT multi-shell in-mold polycarbonate for strength and safety. The quick-release RCS fit system with dial micro adjustment for the ultimate fit. Performance polyester fleece lining keeps things warm and dry. The Sol X is audio ready featuring our detachable Covert Ear Covers.