Propet Warner Strap - Active - Men's. The Propet Active Warner Strap is a Men's shoe that is part of Propet's Preferred collection. Contemporary athletic styling make this walking shoe a great option for everyday wear. The double footbed and adjustable hook and loop closure ensures this style is ultra-accommodating. The rubber outsole paired with a memory foam insole means hours of cushioned comfort. Full-grain leather upper with hook and loop closure for adjustability and comfort. Antimicrobial brushed Dri-Lex® lining and sock lining to help prevent the leading causes of foot odor.