The Womens 1907 Boot Sock Cushion is the perfect full-length sock for walking, hiking and trekking from late autumn to spring. Made with pre-shrunk New Zealand Merino wool that is not stuffy, deodorizing and antibacterial properties, and has excellent body temperature regulation. Darn Tufs proprietary weave on the sole and shin areas provides high density cushioning, and a living room at the top of the ankle for a proper fit without slipping. Elastic arch support, durable reinforcement in high-abrasion heel and toe and invisible toe seam toe construction for comfort Wide ribbed leg for a great fit.