Designed to inspire confidence the new Liv Roost Mips helmet features Mips technology for the best rotational impact protection and additional bottom shell design for optimal structure and extended rear coverage. The ponytail-friendly Snap-on 3-position rear height adjustment fit system provides a sturdy fit and the super supple anti-microbial strap system with secure Fidlock® buckle system creates increased useability and comfort at a wallet-friendly price. FEATURES Created with an all-new rounder head form for a more universal fitMips rotational impact protection systemIn-molded upper and lower PC shells for an optimal protective structure at a light weightOptimized low and high EPS densityFive-star safety rating from the Virginia Tech Helmet Safety LabEasily accessible dual-arm snap-on three-position rear height adjustmentTwelve oversized vents for maximum head-cooling air flowSupple and lightweight strap system SPECIFICATIONS 'Western sizes   S 51-55cm   M 55-59cm'