Jimmy Choo Ladies Flats. SKU - J000165109-SKY/SKY MIX. Color - Blue. Jimmy Choo Nako Nappa Leather Flats. The Nako flat, crafted from Nappa leather, features a slip-on style, graphic Diamond motif print, a square toe, low 5mm heel, rubber sole, and the brand's embroidered logo at the front. 100% Nappa Leather, 100% Rubber. Please visit the brand website for sizing information.