- Collection:SHEET TITANIUM - A combination of 100% pure titanium and beta-titanium. Nastassja is back in a brand new 2.0 version, boasting 6 new exclusive color combinations.With slim temples, seductive curves, and a slight descent on the bridge, Nastassja is an ultra feminine frame and has been updated with a dazzling array of new color combinations such as Mat Tuxedo Blue and Mat Dark Purple and Mat Green, and a new smooth and enclosed end tip. As part of our exclusive Grand Danois collection, Nastassja lies at the very top of high end eyewear for women.