- On trend looks combine with ultimate comfort with the Stella Boot, with it's quality leather upper, and memory foam interior you'll look great and stay comfy every day - Nubuck Leather Upper with Leopard Pony Skin Piano Elastic Gusset Detail - Pull on Boot with Back Tab for Ease - Cushion Comfort Memory Foam Leather Sock - Warm Textile Lining - Flexible and Hardwearing TPR Unit - Heel height approximately 35mm