✓ HIGHER VALUE ~ AqtivAqua swimming goggles also include our special "Shock" Protective Case made of premium materials with drainage holes to promote quick drying. ✓ LONGER LASTING ~ The swim goggles is made entirely of high quality silicone and the lenses are made of polycarbonate which guarantees excellent impact resistance. ✓ SUPERIOR DESIGN ~ Unlike other single strap swimming goggles, our split Y-shaped strap design has no trouble in ensuring a fixed position of the goggles on the head even during the most vigorous swimming. Adjusting the size of the strap is easier, faster and can be done even during swimming with our one-click buckle system. ✓ MORE COMFORT ~ This swim goggles offer soft & flexible silicone double seals designed to expand and contract to hug the unique contours of a swimmer’s face and achieve the right level of suction without applying excessive pressure around the eyes. In addition, the ergonomic 3D frame design ensures low water resistance and the best fit for a wide range of face shapes, men or women, adults or teenagers. ✓ BETTER EYE PROTECTION AND VISION ~ AqtivAqua swimming goggles feature wide polycarbonate lenses with advanced anti fog coating and UV-proof plating (Cat3 UV400 Standard) for the clearest 180° field of view and undistorted optics above water and underwater.