New Cressi Foldable Adult Dry Snorkel Alpha Ultra Dry Black Clear OSFM:Black clear working fly & double front One Size:Leather working fly & double front enclosure Dual layer knees deliver added durability Stretch engineered waistband for superior mobility & insane comfort allowing for the maximum fielding surface available for that hard ground ball up the middle or that two hopper in the hole It features a float mechanism which closes instantly to prevent water from entering the snorkel whether accidentally or purposely submerged The snorkel has a highly flexible tube that reduces jaw fatigue and folds compactly for storing in a BC pocket or travel pack