* Te Xtreme® Spread tow carbon fiber shell * featuring MIPS Brain Protection System
- a helmet integrated, low friction layer designed to reduce rotational motion transferred to the brain from angled impacts to the head * ventilation channels work in unison with the headliner to promote airflow through the helmet Article: Troy Lee Designs D4 Carbon MIPS SRAM Downhill Helmet, black-grey-red, Size XL for Men