Smartwool Women's Trio Merino,Nylon,Wool Made in USA or Imported Sold as a three-pair pack. Crew sock sit at the calf. Includes three different styles. 62% merino wool, 36% nylon, 2% elastane.Materials will vary from style to style. Machine wash warm on gentle. Tumble dry low. Made in the U.S.A. from imported yarn. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!