Closure: Traditional lace-up

If you're the type of rider that needs a slightly larger pack for longer rides and extra gear

Care additives for seals

This wheel erases limitations

With 6500 Lumens of verified output at your fingertips

TLD D4 Polyacrylite MIPS Helmet - XL-2XL - Stealth Black Exclusive Closure: Traditional lace-upD4. Redefining everything 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