These Square Wire™ rectangular framed sunglasses are perfect for medium to large faces. It features an ultra-leightweight metal frame and is super comfortable to wear. Other features include: Patented hydrophilic Unobtanium® earsocks ensure a snug, secure fit so your sunglasses don't fall off Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment UV protection of Plutonite® lens material that filters out 100% of UVA/UVB/UVC & harmful blue light up UV filter: 100%