Coolmax® comfort meets mile after mile durability in a hiking sock that refuses to quit. Coolmax® synthetic yarns move moisture away from your skin and deliver fast drying comfort. Cushioning along the bottom of the foot provide the perfect amount of support while a smooth, performance fit assures there's no slipping, no bunching, and no blisters. Supremely comfortable, breathable and fast drying. Still made in Vermont. Guaranteed for life.