Designed to fit comfortably with your helmet and over Glasses, these goggles come complete with an adjustable strap and anti-slip silicone print on the lining. With a Double spherical lens, your route will be crystal clear.Expansion view technology - for fantastic peripheral visionOTG (over the glasses) friendly - prescription eye wear friendlyEXV frame designDouble-layer face foam with microfleece facingAnti-fog coatingSeamless compatibility - ensuring a seamless interface between helmet and goggleSilicone on inside of strap - prevents slippage