SPEEDO Vanquisher Optical Goggle * FUNCTION: Competition Designed for swimmers with a serious need for speed. * FEEL ? Rigid: Hard frame creates watertight seal. * FIT ? Low: Low profile keeps the goggle close to the face. * FILTER ? Optical: Corrective: Corrective lenses eliminate the need to wear contacts * Available diopters: -1.5, -2.0, -2.5, -3.0, -3.5, -4.0, -4.5, -5.0, -5.5, -6.0, -7.0, -8.0. FIELD OF VIEW ? Standard: Expanded side view lets you keep an eye on the competition. * Excellent corrective lenses competitive and training goggle. * Low profile optical goggle offered in a variety of strengths. * Polycarbonate lens for durability. * 4 interchangeable nose pieces. * UV protection. * Anti-fog. * 100% PVC free. * Latex free.