The Delphine accomodates most standard and custom orthotics and features a durable waterproof leather upper with a TR rubber outsole for long-lasting wear. Adjustable APMA Seal Of Acceptance Zipper Closure Pu Footbed 1.9 Inches Heel Height Block Heel Type Removeable Insole Tr (Thermoplastic Rubber) Outsole Leather Upper Waterproof