Model: dual-lens with wide field of vision • Frame: polycarbonate with chrome-plated metal screw seats and stainless steel screws • Skirt: soft silicone in differentiated thicknesses, with broad textured surfaces. Areas in contact with the face created to achieve a perfect fit. Asian Fit version specially designed for more slender faces • Strap: liquid silicone • Lenses: Ultra Clear tempered optical glass, 3-mm thick • Optical lenses: options include negative -1.0 to -6.0 and positive +1.0 to +3.0 • Package: rigid transparent box.