The Shoei DKS 301 Pinlock EVO Clear Anti Fog Visor Insert Lens is a high-quality, anti-fog visor insert designed specifically for Shoei helmets. Made from durable polycarbonate material, this clear visor insert is compatible with models DKS 301, CW-1, and CWR-1. With its one-size-fits-all design and easy installation, this visor insert ensures clear visibility and fog-free performance for a safer and more comfortable riding experience.