Ocean Pro Coral Mask The Ocean Pro Coral Mask has a 100% liquid silicone skirt attached directly to the tempered glass lens. No mask frame means the Coral offers an incredible field of vision and packs flat. No-frame design reduces weight and provides one of the largest fields-of-view, extremely low volume design, swiveling, easy adjusting buckles Ideal for hunters and photographers Perfect back-up mask as it folds and fits easily in a BC pocket