- Jil sander's new round toe sandals are super comfortable on the feet. They are small sandals with round toes. The round toe part cleverly integrates the femininity and playfulness of women, adding a unique touch to the overall look. Charming. The design of the thin straps subtly shows off the lines of women's feet, making them look slimmer! Upper: Oil-waxed calfskin Lining: Water-dyed sheepskin Sole: Italian through-dyed genuine leather outsole Size: 35-39 (40 custom made, non-refundable),