Troy Lee Designs D4 Carbon Stealth MIPS Adult MTB Helmets Eye Shade Provides 91% UV/A and 99%

Provides 91% UV/A and 99% UV/B light resistance based on AATCC-138 test standard

Carbon knuckle for impact resistance

Its lightweight design brings the latest safety innovations including MIPS and zonal Koroyd for enhanced energy absorption in the event of a crash

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Troy Lee Designs D4 Carbon Stealth MIPS Adult MTB Helmets Eye Shade Provides 91% UV/A and 99%Troy Lee Designs D4 Carbon Stealth MIPS Adult MTB Helmets D4 reigns king atop downhill podiums and BMX events across the globe. Available in carbon, composite and polyacrylite. Details are what makes the D4 the most coveted full face in mountain biking. Prioritizing safety while balancing weight through premium construction and materials, D4 incorporates Mipsprotection with an EPP chin bar and anatomical cheek pads with emergency release. Mips C2