The 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 activities, including mountain biking and off-road cycling. Specifications: 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
