Troy Lee Designs D4 Carbon Helmet MIPS Stealth Size:XL they provide warmth and breathability

they provide warmth and breathability while remaining lightweight and stretchy

plus the unique moisture management properties of LIFA® fibers

Articulated knees for optimal mobility

snag-resistant cuffs are partially elasticized for versatile coverage and comfort

Body-mapped knit structure helps with insulation

Troy Lee Designs D4 Carbon Helmet MIPS Stealth Size:XL they provide warmth and breathabilityD4 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 Mips protection with an EPP chin bar and anatomical cheek pads with emergency release. Mips C2 Rotational Impact Brain Protection System UD carbon fiber