The Tracker Quarter Height and Tracker Crew Height socks are our “do everything” safari socks, ideal for both warm and cool weather. Made with a blend of 33% fine Merino wool and 33% polypropylene for comfort and foot protection, plus 26% nylon, 5% elastic and 3% lycra for shape holding, the Tracker is a tough sock. The Tracker features a full cushioned footbed, a tension-knitted arch support, Blister-Resister Technology plus a heavy duty heel and toe and double welt top. If you know you are going to be putting on the miles, the Tracker is a great choice. Khaki color only with Russell Moccasin-branded toe. Made in the USA.