A3 Helmet Uno Camo Blue WOMENS LILIUM SHORT SHELL the D4 Comp routes cooling

the D4 Comp routes cooling air through a front air intake system that flows through the polymer centre and power grid side mesh keeping your head cooler during the ride

The shorts distinctive two-way rear stretch panel is repositioned

This is a replacement cheek pad set for the D4 full-face helmet

in-molded MIPS brain protection system

So comfortable you won't ever want to take it off

A3 Helmet Uno Camo Blue WOMENS LILIUM SHORT SHELL the D4 Comp routes coolingA3 Helmet W MIPS So comfortable you won't ever want to take it off. The A3 mountain bike helmet is a new standard in premium mountain bike helmets with luxurious comfort, patent pending innovations in safety, and ventilation that will you keep you cool on the longest climbs with comfort and coverage to protect on the sketchiest of descents. Highest possible score (5 STAR) from Virginia Tech helmet safety lab so you can feel confident in all conditions.