Patented Full Contact Fit hugs the contours of your foot and stays put No loose spots to rub you the wrong way; sock will not fall into shoe Toe and Heel Lock deliver high impact cushioning where you need it Narrow welt just above toe sits smooth against skin for comfort Best Use:   Multisport Material:   73% Merino Wool / 21% Nylon / 4% Polyester / 2% Lycra Height:   Ankle Gender:   Unisex