Speedo CGX Swim Goggle with Case, Clear/White Speedo's most innovative goggle with Biofuse technology featuring rigid frame performance with soft frame flexibility to enhance comfort Contoured gasket shaped for optimum fit and a water tight seal, ideal for triathletes or open water swimmers Optimized lens size centralizes viewing to reduce eye fatigue and offers maximum peripheral vision, with UV protection and anti-fog coating TPR overmolding offers comfort and tactile grip for precise adjustment Split silicone headstrap for comfort and secure fit, with our exclusive SpeedFit button for easy adjustment It comes with a premium goggle case with drainage vents and carabiner clip