- Aeyde 23 new color-blocked sandals for spring and summer. The simple design reflects a cold style. The upper is made of calfskin, and the heel is dotted with red stitching, which makes people look good and textured. It has a light retro feel, and it fits your feet very well after wearing it and is super comfortable! Upper: Calfskin Lining: Sheepskin Heel height: 4.5cm Sole: Genuine leather sole imported from Italy Number of yards: 35-39 (40 customized items are non-refundable),