The right choiceWe recommend that people with large heads, that is, those with large eye circumference, feel free to choose this type of swimming goggles. Instead, they need to choose small goggles.UV Protection&Clearer SightOur swimming goggles adopts mirrored coating and polycarbonate lenses which offer good UVA/UVB protection so that your eyes can be effectively protected from the harmful rays. A good choice for swimming lover.No LeakingSoft silicone and ergonomic design are applied to ensure a snug fit so that no drop of water could possible come into, and large contact area with the skin ensures firm attachment. Absolutely tight seal and no leak.Anti FogThe lenses feature anti-fogging property by the latest professional environmental friendly technology which makes the swim goggles not fog up and does no harm to you.ComfortableHead straps have been tested in different cases and proved to be more resilient compared with other swimming goggles, our swimming goggles should not break easily on its new arrival in your hand. Flexible silicone frame can fit different facial structures. Soft material would not leave marks on your face.