Seac Unica Full Face 180° GoPro Compatible Snorkel Mask - LGXLG Color:Black/Lime Because an external frame is

Because an external frame is not needed

Double-feathered edge crystal silicone sealing makes this mask one of the most comfortable to wear

made from soft elastomer

SOLAS reflective tape on both sides for maximum visibility

the ratchet bezel can be rotated easily even with the gloves on

Seac Unica Full Face 180° GoPro Compatible Snorkel Mask - LGXLG Color:Black/Lime Because an external frame isPanoramic Full Face with anti fog anti leak snorkeling Design Unica is the full face snorkeling mask designed and manufactured by Seac. It allows you to explore the world below the water's surface, breathing naturally through your nose and mouth. Exhaled air is vented through an exclusive patented system located in the front of the mask to make exhaling effortless and eliminate the noise that purge valves make. A separated channeling system for