Reebok Men's Walk Ultra V DMX Max RG 4E Walking Shoes Low-cut design for better ankle mobility and wide 4E sizing for improved fit Low-cut design for better ankle mobility and wide 4E sizing for improved fit Molded sockliner for more comfort from the very first step Speedwick technology wicks sweat away from the body to help you stay cool and dry DMX Max air-transfer technology for cushion that moves with your step