This product claims to be adjustable, waterproof, and anti-slip - yet it failed to live up to the minimum standards of Occupational Health & Safety requirements. as my tests showed, the glasses were far from waterproof, and water made their way inside the glass causing blurry vision, rendering it totally useless. The nose pad fell off and made the glasses even more uncomfortable to wear .The only pro was the adjustable feature that allowed for a snug fit around the ear. Sadly, I would not recommSee full review