The Speedo Vanquisher 2.0 Goggles are designed for the swimmer with a serious need for speed. The panoramic lenses provide maximum visibility making them ideal for outdoor use. Goggles have a rigid frame that creates a watertight seal. The low, slim profile keeps the goggles close to the face for less drag and slice through the water for increased speed. Goggles have expanded side view that allows you to keep an eye on the competition improving peripheral vision by 25%. In short the Speedo Vanquisher 2.0 Goggles are racing goggles for competitive swimmers and triathletes and are ideal for training with crisp clear vision indoors-or-out. Durable polycarbonate lenses with UV protection from the sun's harmful rays and anti-fog coating provide comfort and perfect vision no matter how hard you works out. The Vanquisher 2.0 has the same classic original fit with soft cushioned silicone eye seals. The improved double silicone head strap with quick adjust buckle for comfort and easy adjustments. To provide a custom fit the goggles come with 4 improved interchangeable nose pieces. The Vanquisher Goggles are 100% Latex and PVC free.