Troy Lee Design's best selling full face helmet
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 through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static® and XT2® anti-microbial/anti-odor padding keep the inside of the helmet a much nicer place to be
- 20 high-flow intake and exhaust ports for maximum ventilation
 - Added eps and new headform shape for improved impact performance
 - Full incremental sizing for greater range of fitment
 - Strategically placed interior chinbar shock pads for comfort and durability
 - Quick-release and contoured 3D cheek pads for emergency helmet removal
 - Purpose-built internal cavities for audio integration
 - Stainless steel chinstrap D-rings are light and strong
 - Includes TLD drawstring helmet sock
 - Exceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11
 - Not intended for use with motorized vehicles
 
Troy Lee Designs D4 Composite Helmet
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Troy Lee Design's best selling full face helmet
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 through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static® and XT2® anti-microbial/anti-odor padding keep the inside of the helmet a much nicer place to be
- 20 high-flow intake and exhaust ports for maximum ventilation
 - Added eps and new headform shape for improved impact performance
 - Full incremental sizing for greater range of fitment
 - Strategically placed interior chinbar shock pads for comfort and durability
 - Quick-release and contoured 3D cheek pads for emergency helmet removal
 - Purpose-built internal cavities for audio integration
 - Stainless steel chinstrap D-rings are light and strong
 - Includes TLD drawstring helmet sock
 - Exceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11
 - Not intended for use with motorized vehicles
 



