- Jil sander's new round-toe metal buckle shoes are a super comfortable item. They are small shoes with a round toe and a round head. They can be worn twice at any time. The metal buckle straps are detachable and the round-toe design is cleverly balanced. Integrating comfort and fashion, you won't feel tired even if you wear it for a long time! Upper: Oil-waxed calfskin Lining: Water-dyed sheepskin Heel height: 7.5cm Sole: Italian through-dyed genuine leather outsole Size: 35-39 (40 is custom-made and cannot be returned or exchanged),