One K MIPS CCS HelmetWe love this helmet not only for the brand new MIPS safety technology, but also, the ability to customize the center, vent, and rails in a rainbow of colors! The One K MIPS CCS Helmet features a matte Polycarbonate and Advanced ABS Composite outer shell; injection molded shell design; washable quick dry, moisture wicking, anti microbial liner; stainless steel mesh; comfort padded harness with synthetic suede lining, hook & loop adjustment, and Fastex