TECHNOLOGY: Panoramic lens design enhances visibility and clarity in and above the water for optimal vision and performance Nike Swift Adjust buckle system grants fast and easy personalized customization for the perfect fit FEATURES: Low-profile design goggles Curved panoramic lenses provides increased clarity and vision Soft and flexible silicone helps personalize fit to your face Easily adjustable and buckle delivers a custom feel Padded eye sockets offer comfort and water resistance Perfect for outdoor swimming activities and competitions SPECS: 40% silicone / 30% polycarbonate / 30% thermoplastic rubber