Animal Free PU upper material is water-resistant and easy to clean - now made with Susterra corn-based material Elastic side panels will stretch, so you can slip in and out of the shoe easily Soft polyester lining provides structure and comfort Lightweight Treklite thermoplastic rubber outsole provides strong traction and grip Removeable open cell foam insole provides cushioning for feet, Super easy to clean and rinse off, Mudguard adds a layer of protection for the PU