Summer Glasses: Perfect to wear during spring and summer. Material: Frame material either made from acetate, metal, or plastic. Karen Millen: Get a pair of Karen Millen sunglasses. Options: Choose between eleven different designs. Features: A stylish pair of sunglasses in multiple design shapes such as cat eye shaped glasses, oval shaped glasses, square shaped glasses and more. Colours: Comes in colours black and red, brown, grey, blue, havana, black, tortoiseshell, silver, or white and brown. Karen Millen Sunglasses | Black | Living Social