Oliver Peoples Lachman Sun sunglasses pair a classic square silhouette with glass polarized lenses for clear, low-glare vision and everyday wear. Key attributes: Black | Acetate | Polarized lenses | Glass lenses | Hand-laid functional pins at temple hinge | Universal bridge fit | Square silhouette | Strong top-line angles | Medium lens front | Dimensions & fit: Lens width: 53mm | Bridge width: 19mm | Temple length: 145mm | Size: 53-19 (medium) | Standard face coverage | Universal bridge/nosepads | Composition & care: Acetate frame | Glass lenses | Clean lenses with a microfiber cloth; avoid abrasive cleaners and solvents; store in the protective case when not in use.