TROY LEE DESIGNS 2025 D4 POLY AS MIPS MTB HELMET Color:STEALTH BLACK thus saving weight and ensuring

thus saving weight and ensuring efficient power transfer

Graded cuff height

It's perfect for anyone looking to get out more

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TROY LEE DESIGNS 2025 D4 POLY AS MIPS MTB HELMET Color:STEALTH BLACK thus saving weight and ensuringThe reigning king of full face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price conscious shell. Details make the D4 the most coveted full face in mountain biking, including Mips C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit. This helmet is designed and intended exclusively for use by bicycling