Fantastic in indoor conditions Soft-Seal gasket is made from unique hypo-allergenic liquid silicone for a lightweight and face-contouring fit Split Yoke strap made from high quality silicone is strong durable and comfortable Quick adjust system is simple and secure making finding the perfect fit easy anti-fog lenses for extra moisture control and clarity of vision Maximum UV protection blocks 99-100% of sun?s harmful UV rays CLT ? Curved Lens Technology offers 180 degree peripheral vision