- Balenciaga 23 new thick-soled fur flip flops with classic logo embroidery! Full of high-end feel! A favorite of European and American celebrities and Internet celebrity girls, exquisite uppers are hand-sewn and threaded, fluffy, soft and skin-friendly, a must-have for winter. Fashionable but not overly flamboyant. Upper: woven sheep's curly wool. Lining: wool. Bottom thickness: 5cm. Sole: original natural rubber. Number of non-slip and wear-resistant bottoms: 35-39 (40 is custom-made and cannot be returned or exchanged),