Strong Optical Diving Snorkeling Mask - Silver
Strong Optical Diving Snorkeling Mask - Silver, Optical lens for corrective visionStrength: Strong -4.25 TO -6.0Tempered glass meets all ANSI standardsSilicone skirt and strap for a soft and comfortable fitQuick adjust strap allows you to quickly pull strap to tighten and push button to loosenPivot buckle adjusts up and down for fitYellow = Mild: -0.50 TO -2.0Blue = Medium: -2.25 TO -4.0Silver = Strong: -4.25 TO -6.0