Nubuck leather uppers. TOMS leather products support responsible manufacturing via the Leather Working Group. Non-removable Custom CloudBound™ foam insoles for all-day comfort and support. Medial zipper and lateral gusset detail for easy entry. Slotted shaft buckle strap and vamp buckle strap heel overlay. Heel height is approximately 1 1/4". Shaft height is 6". Your TOMS purchase helps support children's education, health and well-being, giving kids everywhere the gift of better tomorrows.