The D4, the absolute king of full-face helmets, in its high-end carbon version offers exceptional levels of safety and comfort . These details make the D4 the most sought-after full-face helmet in mountain biking, it includes MIPS C2 brain protection, as well as air intakes for ventilation, and an incomparable anatomical fit.Features:- Mips® C2 (Brain Impact Protection System)- UD Carbon Fiber Shell- EPS Inner Shell- 16 Vents Optimized with Helmet Channeling- 3 Inner Shell Sizes to Fit All Head Shapes- Anatomical Cheek Pads with Emergency Removal System to Facilitate Rescue Work- Composite Shear Screw- Removable and Washable Comfort Inner Cover in Coolmax® and Dri-lex® Anti-Perspirant Fabric- Ultra-Light Titanium Double D Buckle- Zippered Storage Bag IncludedSpecifications:- Weight: 1 kg- Certifications: CPSC 1203, CE EN1078, ASTM F1952-DH, ASTM 2032-BMX