Brand-new Material Silicone Colour Transparent Brand CRESSI Sport Diving Lens type Single Lens Item weight 0.25 Kilograms Frameless Technology Inclined Lenses for an increased visibility (+25%) No-frame design reduces weight and provides one of the largest fields-of-view. High Quality Silicone Skirt, Ultra-low volume, very light weight. Italian Design : Made with Premium High Quality Materials. Made by Cressi: manufacturer of watersports equipment since 1946.