Footbed: Removable molded EVA footbed with textile topcover. Midsole: Internal PU midsole with vulcanized rubber foxing tape. Outsole: Molded rubber. Upper: Available in waterproof full grain leather, waterproof suede, or waterproof felt and leather combination. Textile lining. Waterproof bootie construction. Waterproof vulcanized rubber shell. Laces are not waterproof.