optimal fit and a clean look are the defining features of scott's new contemporary frame. the fact allows you to indulge yourself with a rock steady goggle without breaking the bank. featurescylindrical scott truview double lensnofog? anti-fog lens treatment - scott lenses undergo a permanent no fog? treatment process to prevent condensation and fogging.acs air control system for active lens venting - acs ventilation incorporates lens air intake vents on the goggle lens and frame air outtake vents on the bottom of the goggle.single-layer face foamoptimized helmet compatibilityno-slip silicone strapmedium to large fit