The Edge Costa Dry Snorkel designed to deliver maximum performance for snorkelers and scuba divers. While snorkeling you can quickly dive down into the water without water entering the snorkel top. The soft corrugated flex hose adjusts to perfectlyfor a perfect fit.
The ergonomical mouthpiece is very comfortable.  It is made of high quality silicone and has amazing shock and wear resistance. An exhaust valve in the mouthpiece allows you to easily purge water from the tube if for some reason you allow water into the snorkel through the mouthpiece.
Snorkel Features:
Ergonomic mouthpiece for all day comfort
Exhaust valve for easy purging
100% dry top design keeps the water from entering the snorkel top when snorkeling or diving
Flex hose designed to perfectly adjust to fit to the side of your head
Adjustable snorkel keeper
Mouthpiece and flex hose is made of high quality silicone that is super soft and comfortable