Bell Sixer MIPS Helmet Small Matte/Gloss BlackThe Bell Sixer MIPS Helmet is super lightweight and adjustable for a mountain helmet. This helmet has dual flow ventilation incorporating 26 vents and 4 brow ports to keep you cool as you explore your limits on the trails. The Fusion Polycarbonate Shell works together with the Exposed Polycarbonate Roll Cage to keep your head safe. Combine that with the MIPS Technology, or Multi-directional Impact Protection System, reduces certain rotational forces of certain impacts while cycling. There is an integrated Breakaway Camera Mount to catch all the action. This helmet is pretty light weighing only 410g. Sizing: Small: 52-56cm or 20-22’’, Medium: 55-59cm or 21.6-23.2’’, Large: 58-62cm or 22.8-24.4’’, and X-Large: 61-65cm or 24-25.8’’. Available in Matte/Gloss Black, Matte Copper/Black, Matte Black/Retina Sear, Matte White/Black, Matte Emerald/Black, and Matte Hibiscus/Black.768686095894