Swim Optical Goggles UV protection with Anti-Fog (-2.0) 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 FIELD OF VIEW Standard: Expanded side view lets you keep an eye on the competition.