The XREssence is light and foldable with a wide field of vision. Quick-adjust buckles make this mask very user-friendly. The Essence features the exclusive Liquid-Skin, Bi-Silicone technology, which utilises 2 different types of silicone. Your getting a firmer portion for support structure and a softer portion for contact with your face, delivering unparalleled comfort and the perfect fit every time you delve under the water.