Fox Defend Winter 8 socks keep your feet comfortable and warm during the toughest winter outings. Made of wool and featuring trail-specific padding on the heel, toe and shin, you'll be able to ride longer and more comfortably on the roughest trails with these socks. The compression arch and flat toe construction further increase comfort while providing a snug, superior fit, while the ribbed knit upper means these socks will last the entire run.