The Mares Ergo dry diving snorkel is ergonomically designed to fit perfectly alongside the head. The lower part of the tube is made of high-quality silicone and is corrugated, facilitating position changes. It features a one-way valve, specially designed for the complete clearing of the snorkel from water or saliva with a simple blow. The mouthpiece is made of soft silicone for greater durability. An ideal snorkel for scuba diving and snorkeling.