- Collection:SHEET TITANIUM - A combination of 100% pure titanium and beta-titanium. Calisto is a new addition to our range of slightly smaller female titanium frames that comes in 6 innovative color combinations uniquely developed by our in house colorist. Calisto's oval, cat eye-inspired design is a style designed to match the preferences of the quality conscious female that appreciates classic Scandinavian design combined with high-quality Japanese Craftsmanship. Color combinations such as Mat Red Raspberry and Mat Mazarine Blue, Mat Soft Teal make Calisto a great choice for women looking for a sleek, stylish look.