The D4 Carbon Helmet reigns king atop downhill podiums and BMX events across the globe. 

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
• Adjustable Visor
• EPS Impact Absorbing Liner
• Emergency Removal "3D" Cheek Pads
• Removable, washable, snap-in comfort liner with moisture-wicking materials   
• Weight: 100 grams
• Super light Titanium D-Ring Buckle
• Smart shear Breakaway Visor Screw
• Ionic® fabric Comfort Padding
• Carbon fiber Shell
• 16 Vents
• Premium zipper Helmet Bag
• CPSC 1203, CE EN1078, ASTM F1952-DH, ASTM 2032-BMX