The Falke RU4 Endurance Reflect M socks are designed for men who want to stay comfortable and supported during their workouts. These socks are made with a blend of polypropylene, cotton, polyamide, elastane, and polyurethane, which provides a breathable and moisture-wicking feel. The socks also feature a reinforced heel and toe for added durability, as well as a reflective stripe for increased visibility in low-light conditions. The socks are designed to provide a comfortable fit and feel, and they are perfect for a variety of activities, including running, cycling, and hiking.