Troy Lee Designs D4 Composite Size:MD helps redirect impact forces away

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

high-grade alloys

Protection Layer: Extra puncture protection

The courier style daypack Velocity is a favorite in the ORTLIEB collection

REFLECTIVE GRAPHICS ON TOP OF HAND offer a clean look with improved visibility

Troy Lee Designs D4 Composite Size:MD helps redirect impact forces awayAlways 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