Sockwell Women's Sedona Micro Socks 44% Stretch Nylon, 38% Lambswool, 13% Alpaca, 5% Spandex Made in US Seamless toe closure, no irritating toe seam Mesh breather panels Cushioned sole for added comfort 47% Lambswool/31% Stretch Nylon/18% Alpaca/4% Spandex Mesh Breather Panels Cushioned Sole