The Sockwell Featherweight men's sock is everyday wear that is ideal for professionals who fly and travel, sit or stand for a prolonged period. The 4 Zones of Moderate 15-20 mmHg Graduated Compression helps in minimizing swelling and to reduce fatigue. The features include Accu-fit technology, turn welt top, arch support, seamless toe closure and ultra light cushion sole. It comprises of high performance yarns that provide natural moisture management, odor control and thermoregulation. Size medium/large fits a mens 7 to 10 and a size large/XL fits mens size 10½ to 13.