ULTRA FIT: An ergonomic 3D gasket perfectly fits your face to reduce pressure around the eye and improve waterproofability. ULTRA FAST BUCKLE ADJUSTMENT: This easy clip strap adjustment system helps you to quickly and easily adjust the tightness of the silicon head strap. ULTRA FUSE: A breakthrough innovation in swimming goggles, UltraFUSE attaches soft TPE rubber with the lens and frame through the latest rubber injection technology. This design enhances comfort, reduces pressure and is leak free. ULTRA ANTI-FOG: This exclusive long-lasting anti fog lens coating prevents build up of fog to provide clear vision at all times.