Dakine Men's Summit Sock 60-Percent Merino Wool 20-Percent Acrylic 10-Percent Nylon 7-Percent Polyester 3-Percent Spandex Imported Spandex knit in ankle panel for no-sag fit Multi-density knitting provides warmth and cushioning to areas that need it most In Hawaiian slang, "Da Kine" means the best