SF1 Frameless Mask Color:Blue What else makes this tube

What else makes this tube special

Against the extreme cold of the arctic or the heat of battle

The internal part of rigid silicone gives solidity and stability to the mask

3-Part Construction

SF1 Frameless Mask Color:Blue What else makes this tubeThe SF1 Cressis frameless scuba diving mask for ladies and men. The frameless masks are loved by many divers for their low profile and ability to fold flat for easy carrying, even in a BC pocket. Cressis frameless design bonds a high grade silicone skirt directly to a single lens for the ultimate in simplicity. The silicone face is assembled directly on the glass without mounting. This system guarantees good visibility in all directions, especially