Thousand Chapter MIIPS Helmet

MipsAdd an extra layer of protection with the integrated Mips safety system, designed to reduce the rotational motion of certain impacts that may otherwise be transferred to your head. Multi-Use Magnetic LightRide smoothly from day to night with an included 30 lumen taillight that magnetically attaches to the helmet or multi-use adapter. Premium VisorsReduce glare and increase your field of vision with visors in elevated finishes, including hand-painted tortoise shell, matte black, and metallic rose gold. Secret PoplockThe most convenient and secure way to leave your helmet behind. Access the hidden channel behind the logo mark, and thread your U-lock or chain lock through. Backed by our Anti-Theft Guarantee. Active Ventilation8 strategically placed vents actively capture airflow and pass it through the interior cooling channels – developed to keep you cool on your long rides. Sizing Guide Small 21 1⁄4" - 22 3⁄8" (54-57 cm)Medium 22 3⁄8" - 23 1⁄4" (57-59 cm)Large 23 1⁄4" - 24 3⁄