Tropical Mask Mid-range and progressively charges up during

and progressively charges up during the stride to take off like a spring at the exact moment the stride is inverted

The duffel-style mesh bag is made of durable polyester mesh that lets water drain easily

The Focus is an easy-to-use adult mask that is very comfortable and ideal for snorkeling in any condition

Bühlmann ZHL-16C with gradient factors

Tropical Mask Mid-range and progressively charges up duringTropical A mask particularly suitable for free diving and snorkeling, but just as appropriate for use in scuba diving. It has separate lenses, a skirt edge that adapts to most face and a small inner volume, perfect for free divers. It is made from soft transparent or dark silicone and comes with strong rapid action buckles to adjust the strap. Features a reinforced frame and a universal strap size. Over the frame the wording "Rental" makes easy to