Oasis Women's Abby Casual Shoes leather Rubber sole Oasis Grasp rubber outsole delivers shock-absorbing traction for a steady walk. Reinforced toe box offers protection without creating a bulky look. Rigid nylon composite shank adds stability for a more confident walk. Leather upper, brushed nylon sockliner, EVA insole, ethylene propylene rubber midsole... Nylon / fiberglass shank, ethylene propylene rubber outsole.