This heavyweight hunting sock combines natural and synthetic fibers to keep your feet dry, warm, and comfortable. Stay-up cuff for the perfect "no-sag" fit. Strengthened heel, toe, and foot bottom for long-wearing durability. Seamless toe closure eliminates irritation on toes. Air channel around sock for improved drying and airflow. Arch support helps reduce fatigue. 44% polyester, 41% wool, 14% nylon, 1% spandex construction. Made in the USA.