I ordered three different masks from Amazon to try on. I am only keeping one. however I missed Amazon's return window. Description from Website Frameless design. Extremely low volume design for better visablility and easier clearing. No mask frame means the Shadow Series offers an incredible field of vision and packs flat. Soft nose for easy equalizing. 1-window style for a large view. Sleek 100% liquid silicone skirt attached directly to the tempered glass lens. Swiveling, easy adjusting buckles. Comfortable mask strap cover. Tempered glass lenses. Ideal for hunters and photographers. LIMITED EDITION COLORS, SUPPLIES LIMITED! Features & details Frameless design LIMITED EDITION COLORS Extremely low volume design for better visablility and easier clearing Soft nose for easy equalizing Sleek 100% liquid silicone skirt attached directly to the tempered glass lens Neoprene Mask Strap