The SCOTT RecoilXi Enduro goggle is an entry level goggle fitted with an ACS/double pane lens. The lens helps to reduce fogging by venting air through the goggle. Also the RecoilXi Enduro features a two layer face foam and a no-slip silicone strap.FRAME TECHNOLOGIES:2-Layer face foam.No-slip silicone strap.LENS TECHNOLOGIES:SCOTT Truview double lens.ACS Air Control System.NoFog™ Anti-Fog lens treatment.