Saeko S46UV Blast Mirror Series Racing Goggles with Ultra Anti-Fog and UV Protection Coated Mirrored Lenses for Swimmers, FINA Approved for Competition FINA approved for competition Mirrored Low profile lens reduces water resistance without giving up comfort or protection Ultra Anti-FOG keeps fog-free and provide longer usage UltraFAST Buckle, side buckle system makes the strap adjustment easier and quicker UV Protection reflects harmful rays from sunlight