Rockport Marshall Mens Chukka Boot Smart-yet-relaxed attire has been the standard for years now and the Marshall Collection is designed to complement that look. Fastening:Lace up Material Composition:Leather/Other Materials/Other Materials Durable-yet-comfy EVA outsoles, midsoles, and footbeds with antimicrobial linings.. Upper Materials: Leather; Nubuck; Suede. Antimicrobial linings make it possible to go sockless with confidence.