Giro Cipher Full Face Helmet - Matt Red-Black Flength_35mm The smaller outer shell volume

The smaller outer shell volume is a great benefit as it reduces rotational acceleration

Polyester/spandex mesh fabric to reduce body temperature

You only need to rotate the dial for a tighter fit in rough terrain

The added shell can be used for strictly aerodynamic purposes

Super Firm 69 Durometer Compound for Enhanced Tire Durability

Giro Cipher Full Face Helmet - Matt Red-Black Flength_35mm The smaller outer shell volumeGiro Cipher Helmet Step It Up On The Way Down. The all new Cipher is built around the demands of freeride and enduro, with a lightweight fiberglass shell, plush interior padding, and vented brow ports for unrivaled cooling and comfort. Vinyl Nitrile padding along the jaw line enhances impact management in this critical area, and the integrated P. O. V. camera mount plus built in speaker pockets let you dial in your sound and images. Altogether its a