Our glasses Amsterdam Large Umber Tortoise - a must-have for all eyeglass lovers. These great glasses trumps with their special shape and the use of the highest quality materials. The extravagant frame is made of first-class bio-acetate and the golden temples made of lightweight stainless steel perfectly match the warm look of the glasses in Tortoise brown. Our Amsterdam Large Umber Tortoise: glasses in a class of their own!