The Riffe Stable snorkel is a low profile light weight snorkel with a flexible vinyl tube, giving divers ability to fold up or stow in their BC. The dry top is shaped like a shark fin and reduces catch of line, seaweed and floating material. The Riffe Stable snorkel comes with a high quality hinged snorkel keeper. It is the easiest clearing snorkel tested in our industry by freedivers. This amazing snorkel is a true fresh air snorkel. Give it a try. You will not be disappointed.