OBD 1ST Proteus Mask - Black seatec polynesian xl spare arch And once on

And once on

Single notch suits open/closed muzzles

Semi rigid snorkel withstands current

A thicker line for those larger bluewater/pelagic species and larger diameter reels

for secure fastening to mask straps

OBD 1ST Proteus Mask - Black seatec polynesian xl spare arch And once onThe OBD 1St Proteus Mask has large field of vision compared to many other masks. But despite this, the internal volume remains small because the lenses are brought closer to the eyes. The strap buckles are attached directly to the bezel of the lenses (not the frame, unlike some designs). So the strap will not interfere with the seal of the skirt onto the face. This is especially important when it comes to people with wider facial profiles. Has a soft