Get superior over-the-glasses eye protection. The overall design & silicone-body construction of Flex Seal over-the-glasses goggles offer exceptional advantages over other OTG options when it comes to getting a fully sealed fit with temperature adaptability & all-day wearing comfort. The soft, lightweight, cured silicone body conforms to almost any facial profile & provides an exceptionally snug seal to provide reliable eye protection that you can rely upon, even under extreme-temperature conditions. Once workers experience these googles, they may never want to wear anything else. Clear, polycarbonate lens features a proprietary HydroShield Anti-Fog / Anti-Scratch coating to deliver consistent condensation-free performance for much longer than average, as much as 90-times longer than the majority of anti-fog treatments on the market, while providing excellent scratch-resistance, up to twice as effective as most anti-scratch treatment alternatives. Goggles fit snugly & comfortably over most prescription eyewear, & the adjustable, elastic-neoprene headband helps the wearer tailor the fit to their individual needs. Adjustability Features: Headband; Material(s): Neoprene; Polycarbonate; Silicone; Antifog: Yes.