The 509 Stoke Sock pushes the pedal to the metal on performance to keep your feet warm and dry all day. Slide these socks into your boots and you��ll immediately feel the difference thanks to a high cuff that stays up and full terry cushioning that wraps you in the naturally fast-drying, breathable, and stink-fighting performance of Merino wool. Nylon and LYCRA庐 zones further enhance strength and support.