This style fits true to size, order your normal size. Upper: Genuine suede leather Lining: Extra warm and comfortable synthetic sherpa Lining of insock: Extra warm synthetic fur Insole: Memory foam cushioning that naturally contours feet for all-day comfort and support Outsole: Durable TPR with high traction sole engraving Round toe Heel height (approx.): 3.5 cm Heel type: Block