Rubber framePolycarbonate lensAnti-Fog Coating coatingUV ProtectionThe lenses of the women/man swimming goggles are treated with ultraviolet light absorber that can effectively block the sun's harmful UVA and UVB rays and protect your eyes from the sun's harmful damage ,for outdoor swimming and other water related sports.Anti-fog & LeakproofThe polarized youth swim goggles also feature an enhanced anti-fog technology that can ensure clear vision and protect your eyes, the 3D double seal frame provides excellent fit and water resistance, never allows water leak in.Comfortable WearingFlexible silicone frame and improved nosepiece provide extreme comfort that never hurt your nose or leave a mark on your face,for unisex adult teenager kids with different face, head size and hair length.Solid & Durable2.0 adult swimming goggles are made of premium silicone and polycarbonate. Silicone frame is pretty durable, soft and flexible. Polycarbonate lenses are resistant to cracking and not easily deformed. Well-designed clasp make it easyto put on and take off without pulling hair.