The new Oceanic Ultra SD (Semi-Dry) employs a patent pending deflector to stay dry in waves and wind. The design also incorporates a drop-away flex mouthpiece making it great for Scuba when switching from the snorkel to the regulator, oversized purge valve for easy clearing and a replaceable 100% liquid silicone mouthpiece. Snorkel has a quick-disconnect plastic snorkel keeper. The new Oceanic Ultra SD (Semi-Dry) is available in multiple color choices for complete color coordination with your kits gear.