Leather upper. TOMS leather products support responsible manufacturing via the Leather Working Group. Stacked EVA outsole and midsole with sawtooth rubber bottom for added traction. High-rebound comfort OrthoLite® Eco X40-Hybrid™ insole made with 32% eco content including 15% hybrid materials, 12% bio-oil and 5% recycled rubber. Synthetic lining and textile footbed. Ankle strap with adjustable buckle. Platform height is approximately 1 ¾". Exclusive to TOMS.com. Your TOMS purchase helps support children's education, health and well-being, giving kids everywhere the gift of better tomorrows.