Introducing the limited edition SmartWool® Charley Harper Collection, a sock, apparel and accessory collection inspired by the artwork of Charley Harper. At the heart of SmartWool® products is the world’s finest Merino wool. Highly breathable Merino helps regulate temperature, manages moisture, doesn’t itch and naturally resists odors. Each piece in the collection offers extraordinary comfort and blends the benefits of wool with artistic style. Made in the USA!