Sockwell Women's Honeycomb Socks 33% Merino Wool, 33% Bamboo Rayon, 29% Stretch Nylon, 5% Spandex Made in US Y Heel shape design for better fit Link by Link Patterning Ultra flat toe seam for superior in shoe comfort Spandex throughout the sock ensures an uncompromising fit from the beginning to the end of the day Non cushion sole