Upper: Faux leather. Stella McCartney is part of The Climate Pledge, a commitment to reaching net-zero carbon emissions by 2040. Elastic panel at sides. Pull tabs. Removable insoles. Lining: Faux leather. Chunky heel. No closure, pull-on design. Round toe. Rubber sole. Made in Italy. This item cannot be gift-boxed. Measurements: Heel: 1in / 25mm Platform: 0.5in / 10mm 6.25in / 16cm Circumference: 9.75in / 25cm