Leather uppers. TOMS leather products support responsible manufacturing via the Leather Working Group. TPR welt and outsole. Non-removable Custom CloudBound™ foam insoles for all-day comfort and support. Outer zipper for easy entry. Leather-wrapped heel. Heel height is approximately 2 1/4". Shaft height is approximately 3 1/4". Exclusive to TOMS.com. Your TOMS purchase helps support children's education, health and well-being, giving kids everywhere the gift of better tomorrows.