Wool/Nylon/Acrylic/Spandex Blend - FastDry® technology wicks away sweat and fights odors - High abrasion Coralast® in heel and toe puts steel-toe toughness in a thick wool sock - Wool insulates and moves water vapor to keep feet warm and dry - Ribbed design offers maximum stretch and comfort - Spandex and arch support hold socks in place - **Fabric contents vary by color -