Rockport - Marden (Cordovan Brushoff) - Men's: The 'Marden' oxford is nothing short of handsome and refined. Gorgeous, full grain leather upper with apron toe design and quality stitch detail. Polyurethane, Kinetic Air Circulation provides patented technology with durable cushioning. Fiberlon shank provides lightweight midfoot support. Dual density PU outsole provides durable shock absorption to help reduce foot fatigue. Flexible, San Crispino construction provides forefoot flexibility to aid the walking motion.