The Seac One is a mask that has been designed for scuba diving, but is equally at home when being used for Snorkelling, Free Diving and Spearfishing. It is a diving mask with two symmetrical tempered glass lenses, polycarbonate structure and an anatomical skirt made of hypoallergenic liquid silicone. The strap is easy to adjust thanks to the "Easy Touch" buckle with release button. The Seac One Mask also benefits from being able to take optical lenses (sold separately), allow you to customize the mask to your own prescription. It is available in 5 versions, 4 of which with transparent silicone and one with black silicone, which makes the Seac One an ideal mask for spearfishing.