Ultrafit Waterproof Swim Goggles Sports Glasses Water & Triathlon Goggles, Purple and Blue MANUFACTURED FROM PREMIUM QUALITY MATERIALS: The lens of the goggles are made of high density polycarbonate material, which gives lens the following characteristics: shock resistance, clear sight line, and effective eye protection (UV protection). Wide high-definition polycarbonate hard lens with superior optical properties gives great peripheral vision. Straps and lens gaskets are made of silicone to ensure long term durability and flexibility while in use. EQUIPPED WITH ANTI-FOG SYSTEM: It is polished with premium antifogging agent with strong hydrophilic, to deliver consistent moisture control, which could keep the sight line clear and superb clarity of vision even underwater. These latex free goggles retain clarity without the need for traditional anti-fog spray application and re-application. EMBEDDED UV PROTECTION (ULTRAVIOLET-PROOF): The surface of the glasses are electroplated, which could reflect strong sunlight effectively. The material of lens is Unit-UV treated, which could prevent ultraviolet rays effectively, and also protect eyes outdoors. STANDARDIZED UNIBODY DESIGN: Unique frame technology, a durable long lasting frame with soft silicone gaskets offering a super comfortable fit for all sizes. This performance goggles features a unibody design to fit various facial types, as well as a wide peripheral range for optimal sighting. One measurement for the bridge of the nose, which designed according to principle of human body may it be for women or men, suitable for any face type. INTERCHANGEABLE NOSE PIECES AND BILATERAL CLASP DESIGN: 3 sizes (S, M, L) makes goggles a perfect fit for different head sizes and shapes. Great for men, women and youths (NOT for kids). The Revolutionary Clip on and Clip off System saves swimmers and athletes time and provides extra comfort while removing or putting on the goggles. The Bilateral Clasp Innovation allows a stronger and more fastened grip.