The Frameless Gorilla has a slightly larger and wider lens in a matte finish. Single lens mask featuring a unique lens and skirt assembly without a frame. The Gorilla Mask is a new SCUBAPRO classic for professionals. This single window lens design is for a superior field of vision. Mask has a tempered safety glass lens and a quality double feathered edge silicone rubber skirt for great comfort and fit. The unique assembly of the lens and skirt without a frame reduces weight, size and lowers the masks overall internal volume for a streamline style and a snug fit. This classic robust quality mask positions the buckles on the exterior of the mask body for convenience and comfort. The buckles system is easily adjusted with one-hand. Mask has a large easy to reach with gloved hand, nose pocket for ear equalization. The wide split strap design provides even tension on the face for a perfect seal. Mask comes with a mask box and is covered by a 12 month limited warranty.