Bluegrass Rogue Core MIPS Helmet - Green Tie-Dye Matte SmallBluegrass Rogue Core MIPS Helmet Green Tie Dye Matte Small. Designed with the speed of pro riders in mind the Bluegrass Rogue Core MIPS is sharp bold and alternative. Its designed to properly protect the most sensitive head areas the back and the temples. The Rogue Core Mips exceeds worldwide certifications and performs best at both linear and rotational impact thanks to its meticulously engineered EPS shell and the MIPS C2 brain protection system