Suede uppers. TOMS leather products support responsible manufacturing via the Leather Working Group. TPR outsole with flex groove. Non-removable Custom CloudBound™ foam insoles for all-day comfort and support. Medial side zip for easy entry. Faux-fur lining. 3 1/2" shaft height. 11" shaft circumference. 1/2" heel height. Your TOMS purchase helps support children's education, health and well-being, giving kids everywhere the gift of better tomorrows.