Make the most of every aquatic adventure with the Prism Snorkel Set from Aqua Lung. Pivot-Flex technology allows for reduced fin length while providing increased efficiency and comfort. The mask features durable tempered glass lenses with a hypoallergenic silicone face skirt that provides ultimate comfort and a perfect fit to keep water out. The submersible dry-top snorkel is designed with a GoPro Ready mount and a one-way purge valve for easy cleaning.