retro style with the protective features of today . the pro-tec old school snow mips helmet features a low retro design and all the technical protection systems you wouldn't want to miss nowadays. mips®  protects your brain in rotational crashes, while the high-impact abs outer shell provides excellent impact protection.the old school comes with a comfortable inner lining and ear pads with audio function. the 11 mesh-covered vents provide extra airflow while still protecting you from branches and debris.