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. Strap: Liquid silicone. Lenses: Ultra Clear tempered optical glass, 3-mm thick. LS Version: with special mirrored lens treatment (increases contrast and visibility) and metal effect frame (special scratch-resistant paint). Optical lenses: options include negative -1.0 to -6.0 and positive +1.0 to +3.0. Package: rigid transparent box.