Combo Ridley is the adult mask and snorkel combo that combines the Ridley mask with an ergonomic snorkel with silicone mouthpiece and drain valve. The snorkel completing the set features a semi-dry top and anti-splash technology. The snorkel holder is sliding with a carabiner system. The snorkel is made of silicone and is ergonomic and ideal for prolonged wearing. The lower drain valve allows to easily empty the snorkel. Ridley medium-large mask is ergonomic, sturdy, easy to wear and offers great vision. Snorkel with silicone mouthpiece and exhaust valve is very easy to use.