Glare can be a swimmer's worst enemy. Eyesight in the pool is crucial, and light reflected off the water's surface can seriously hinder a swimmer's ability to perform. Speedo's new polarized goggle eliminates blinding glare by rearranging reflected light before it reaches your eyes, reducing eye strain, enhancing contrast and improving perception for increased pool safety. FUNCTION: Competition - Designed for swimmers with a serious need for speed. FEEL ? Rigid: Hard frame creates watertight seal. FIT ? Ultra low: Super-slim profile reduces drag and slices through the water. FILTER ? Mirrored: Maximum visibility, minimum glare; ideal for outdoor use. FIELD OF VIEW ? Standard: Expanded side view lets you keep an eye on the competition. Polarized Polycarbonate Lens filters out glare and provides optimum clarity. Wide panoramic lens to maximize peripheral vision. Silicone double length headstrap for secure fit. Hypo-allergenic comfort seals. Ultra Low Profile design. PVC and Latex free. Comes with 3 nosepiece options for custom fit.