TLD D4 Polyacrylite MIPS Helmet - M/L - Linear Blue eBay Wear it over your regular

Wear it over your regular jersey when the chill sets in or throw a jacket over it and head into the wildest weather knowing the Thermo has your back

The evolution continues at 100 Percent

113mm L x 103mm W

Ventilation: 13 large-bore vents offer a happy medium of ventilation to coverage

TLD D4 Polyacrylite MIPS Helmet - M/L - Linear Blue eBay Wear it over your regularD4. 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