BELL Unisex's Z20 Aero MIPS Road Helmet, Blower Matte/Gloss Black/White/Crimson, Medium/55 59 cm

Integrated MIPS (Multi-Directional Impact Protection System) Progressive Layering: The process of engineering a helmet liner with variable EPS foam densities to better manage the transfer of energies after some impacts Fusion In-Mold polycarbonate shell - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet. Float Fit Race - A state-of-the-art lightweight fit system featuring seamless integration with MIPS, an easy-to-turn dial, wide-range vertical adjustment and padded width-adjustable cradles Overbrow Ventilation features intake ports on the brow of the helmet to usher in cool air and push it through the air-channel matrix for full-head ventilation