Your favorite no-show runners, now at a discount! Get your bundles today. Our patented Full Contact Fit ® hugs the contours of your foot and stays put so there are no loose socks to rub you the wrong way. This low-cut sock will not fall down into your shoe. Toe and heel lock for high-impact cushioning. Narrow welt just above the shoe. Super-fine Merino Wool 66% Nylon 27% Polyester 5% Lycra 2%