Troy Lee Designs D4 Carbon MIPS Downhill HelmetCategory: HelmetsSubcategory: Downhill HelmetsExperience the pinnacle of performance and protection with the Troy Lee Designs D4 Carbon MIPS Downhill Helmet. Engineered for the most demanding riders, the D4 reigns king atop downhill podiums and BMX events across the globe. This helmet is the ultimate choice for adult athletes who refuse to compromise on safety, weight, or style. Available in carbon, composite and polyacrylite, the details are what makes the D4 the most coveted full-face in mountain biking.Prioritizing safety while balancing weight through premium construction and materials, the D4 incorporates Mips® protection with an EPP chin bar and anatomical cheek pads with emergency release. The foundation of this helmet is its advanced UD carbon fiber shell, a marvel of engineering that delivers exceptional strength while keeping the overall weight astonishingly low. This meticulous balance allows you to stay agile and focused on the track, reducing fatigue without sacrificing a single ounce of protection.At its core, the D4 is built around the Mips® C2 Rotational Impact Brain Protection System. This cutting-edge, low-friction layer is designed to help reduce the rotational forces transferred to the brain during an angled impact, offering an advanced dimension of safety when you need it most. This, combined with an expanded polypropylene (EPP) chin bar, provides durable, multi-impact protection for one of the most critical zones.Comfort is not an afterthought. The D4 is crafted with three distinct shell sizes to more accurately fit a wide variety of head sizes, ensuring a secure and personalized fit for every rider. Inside, the anatomical 3D contoured cheek pads cradle your face, enhancing stability and featuring an emergency release system for safe removal by EMS responders. The removable snap-in, washable comfort liner is made with Coolmax® and Dri-lex® moisture-wicking materials, actively pulling sweat away from your skin to keep you cool, dry, and comfortable from the starting gate to the finish line.Features:* Mips® C2 Rotational Impact Brain Protection System: An advanced safety feature designed to help reduce rotational forces on the brain during certain angled impacts.* UD Carbon Fiber Shell: Provides a featherlight yet incredibly strong and protective chassis.* Three Shell Sizes: Ensures a more accurate and safer fit for a variety of head sizes and rider ages.* Anatomical ´´3D Contoured Cheek Pads: Features an emergency release system for safe removal by EMS responders.* Removable Washable Comfort Liner: Utilizes Coolmax® and Dri-lex® moisture-wicking materials for superior comfort and hygiene.* Super Light Titanium D-Rings: Premium, lightweight, and incredibly strong hardware for a secure fastening system.Technical Specifications:* Attribute: Adult, Carbon fiber, Mips* Weight: 1000g* Certifications: CPSC 1203*, CE EN1078*, ASTM F1952-DH, ASTM 2032-BMX. *Varies by regional standards