Check the listing for details. Mares X-Vision Ultra Liquidskin Dive Mask. Color: Clear Lens White/Black, Condition: New. Listed at 124.95 USD. The X-Vision Ultra dive mask has a new bi-silicone facial geometry to fit more face types. The profile in contact with the face has been optimised, ensuring a better seal. The nasal area has small ribs, already present on the X-Vision model, but which have been further improved to relieve pressure and make it more comfortable to wear for a longer period of time. The two-button buckle makes it easy to operate even when wearing gloves. The strap is made of bi-silicone: a softer part, behind the nape, for greater comfort, and a more rigid part, guaranteeing better stability and grip on the buckles. In addition to the hydrodynamic design, special attention has also been paid to aesthetics: in the black and grey versions, the Gold and Silver models are available with mirrored lenses, which, in.