Troy Lee Designs D4 Composite Full Faced MIPS Bike Helmet Color:Stealth Pumice redesigned for 2026 with a

redesigned for 2026 with a new 3D shape

Flex Adjustment Cuff

It’s a camber powerhouse that craves a jump line almost as much as it wants to slay a backcountry booter

Made from a luxuriously plush fabric

Like all mitten versions

Troy Lee Designs D4 Composite Full Faced MIPS Bike Helmet Color:Stealth Pumice redesigned for 2026 with aAlways 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