Sockwell Women's Lo Liner Stripe Socks 35% Nylon, 30% Merino Wool, 30% Bamboo Rayon, 5% Spandex Made in US Seamless Toe Closure for Comfort and fit Sewn Elastic Edging for Support Y Heel Shape for Better Fit Spandex Throughout the Sock Seamless Toe Closure for Comfort and fit Sewn Elastic Edging for Support Y Heel Shape for Better Fit