Boss Square Sunglasses — the Square Sunglasses from Boss combine a full-rim cellulose propionate frame with brown lenses that provide 100% UVA and UVB protection for everyday wear. Key attributes: Black | Cellulose propionate | 100% UVA and UVB protection | Includes branded case | Full-rim frame | Rectangle shape | Brown plastic lenses | Dimensions & fit: Lens width: 52mm | Lens height: 37mm | Bridge width: 22mm | Frame width: 140mm | Temple length: 145mm | Comfortable fit | Composition & care: Cellulose propionate | Plastic (lenses)