Munro Women's Bardot Lace-Up Shoes Leather rubber sole Flexible latex rubber outsole provides enhanced shock absorption and slip resistance. Knit soft linings breathe naturally and wick away moisture to help keep feet cool and dry. Contoured polyurethane foam insole can be removed to accommodate orthotics. Water-resistant leather upper, knit soft (polyester / nylon) upper lining and sockliner... Polyurethane insole, steel shank, latex rubber outsole.