- Jil sander Jil Sander 23 new Chelsea round-toe short boots. The upper is naturally rich in unique luster, and the full toe and side elastic band design highlight the Gothic style with inherent temperament. It is simply not too handsome! A must-have item for fall and winter! Upper: calfskin, lining: sheepskin, sole thickness: about 4cm, sole: original foam rubber outsole, size: 35-39 (40 customized, non-refundable),