Troy Lee Designs D4 Composite Size:MD Performance liner manages moisture effectively

Performance liner manages moisture effectively and comfortably

Easy access roll top closure with hook and loop guarantees 100% waterproofness and makes packing speedy and simply

The Nimbus 2 Armadillo Reflect tire features our very best flat protection

helps redirect impact forces away from the brain by allowing the outer liner to rotate around the inner liner during a crash

In the real world

Troy Lee Designs D4 Composite Size:MD Performance liner manages moisture effectivelyAlways Evolving It wasn't easy to improve upon the class leading design and function of our D3 helmet, but we made it happen. 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 Comp routes cooling air through a front air intake system that flows