The best we've found for cool weather, these SmartWool® socks are made of a soft blend of merino wool and nylon. The dense knit wicks moisture away, helps regulate temperature, won't shrink, will not retain odors, and doesn't itch. Set of three crew socks in seasonal patterns. Choose from heather gray or wine multi. Wool/nylon/spandex. Washable. USA/Imported.