CHIMI Cubic Sunglasses – Black: Cubic is a rimless angular silhouette made in lightweight, matte black titanium for durability to last a lifetime. Designed with ample UV-protective nylon lenses and spring hinges that allow the temples to bend past ninety degrees for improved flexibility and an adjustable fit. The titanium frame will never rust, tarnish or corrode, meaning it is biocompatible and therefore non-toxic to living systems. Visoticca Comotec Hinges Lens Guide: Category 3 – High reduction of sun glare – 100% UVA+UVB protection – Anti-scratch – Anti-shatter – Distortion-free Hard & soft case Frame color: Black – Materials: Titanium . Cubic Sunglasses - Black