Aqua Sphere Kayenne swim goggles feature a hypoallergenic, hydrodynamic one-piece frame with an oversized lens for enhanced field of vision capability. The Quick-Fit buckle and silicone headstrap combine with the stabilizing nose bridge to give these goggles a secure, comfortable fit time after time.easy to adjustoversized, durable Plexisol lens provides 180 degree, 4-point expanded field of vision capability100% UV protectionanti-fog/UV lens treatment for prolonged, enhanced clarityavailable in a variety of frame colors and lens options