Jeep Terrain Sock. Seriously chunky, these heavyweight terrain socks by Jeep are cotton rich for long-lasting durability. Ready to be put through their paces, this pack of luxury men's socks each have a ribbed ankle and cushioned heel, sole and toe. Thick socks for when warmth and coverage matters, Jeep is a brand known for its items designed for peak performance in rugged conditions.6-11 UK.