The Pinlock 70 Max Vision Insert is packed with features... Specifications include Fits The Shox Sniper Evo/Assault Evo Helmets - Designed to fit the Sniper Evo and Assault Evo helmets with Max Vision Visors Side Slits - The slit on each Pinlock insert lens is specifically made so that the insert lens is able to fit well on a specific helmet face shield. Silicon Seal - The silicon seal creates a double shield system between the helmet face shield and Pinlock insert lens. Dry Hydrophilic Technology - Moisture is absorbed and contained within the hydrophilic itself, which keeps the surface of the lens dry.