Crafted with Merino wool Pursuit provides warmth in the winter and cooling in the summer and absorbs moisture without feeling soggy. Pursuit features a reinforced heel and toe and extended heel pocket to maximize durability.Natural Merino moves moisture away from your feet keeping them dry odorless and blister-freeTemperature control keeps you warm in winter and cool in summerPursuit socks are certified to the Responsible Wool Standard (RWS). The Responsible Wool Standard (RWS) verifies animal welfare and land management requirements and tracks it from farm to final productMachine wash cold. Tumble dry low. Do not bleach or iron Season Warm Weather Material Synthetic Gender/Age Unisex Color Black Size Large Cuff Length 7 Defined Color Black Sock Length 7"