Crafted from responsible soft leather, the Quin boot is designed with a knee high silhouette with rounded toe and chunky sole. Fit & Style. Knee high boot. Inside zip fastening. Round toe. Chunky sole. Heel height: 3.3cm. By investing in this piece, you are supporting responsible leather manufacturing through the Leather Working Group. Learn more here. Composition: 70% Polyurethane, 30% Cow Leather. Length: Not Applicable. Sole Composition: 100% Resin.