Troy Lee Designs D4 Polyacrylite Mips Helm Roamer Choose your size:58-59 We took it upon ourselves

We took it upon ourselves to finish the whole package with an eco-friendly Bluesign® certified fabric

Northwave has selected the most technical materials to ensure good ventilation

Bluesign® approved fabrics

The rubberized top of the bag protects the paintwork and ensures stability

Troy Lee Designs D4 Polyacrylite Mips Helm Roamer Choose your size:58-59 We took it upon ourselvesTroy Lee Designs D4 Polyacrylite Mips Helmet Roamer The undisputed king of full face helmets: The D4 series expands with a polyacrylite model that packs the same safety and comfort features as the premium carbon and composite versions into a more budget friendly shell. The details make the D4 the most sought after full face helmet in mountain biking including MIPS C2 brain protection, an air intake system for optimal ventilation, and an unparalleled