Troy Lee Designs D4 Composite Helmet w/Mips - Lowrider Ryeka Sport Inc it can do double duty

it can do double duty as a commute jacket

170mm - 605g

the torque is transmitted over the entire surface instead of just the rivets

the streamlined silhouette features an Air Support™ Light Back Panel and a ventilated S-curved shoulder harness for cooling

55in/65mm Travel Springs  803-04-130 039-03-011 Spring: [4

Troy Lee Designs D4 Composite Helmet w/Mips - Lowrider Ryeka Sport Inc it can do double dutyAlways Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X static