Leather upper. TOMS leather products support responsible manufacturing via the Leather Working Group. Custom TOMS rubber outsole. High-rebound comfort OrthoLite Eco X40-Hybrid insole made with 32% eco content including 15% hybrid materials, 12% bio-oil and 5% recycled rubber. Rope- and suede-wrapped wedge. Wedge height is approximately 3 . Ankle strap with adjustable buckle. Exclusive to TOMS.com. Your TOMS purchase helps support childrens education, health and well-being, giving kids everywhere the gift of better tomorrows.