Burton Women's Trillium Socks 35% Nylon, 20% Merino Wool, 20% Acrylic, 16% Polypropylene, 7% Nanoglide, 2% Spandex Imported Ergonomic, Articulated Left and Right Motion fit 35% Nylon, 20% Merino Wool, 20% Acrylic, 16% Polypropylene, 7% NanoGLIDE , 2% Spandex Quick-Drying and Stink-Proof Polypropylene Reinforced Footbed Dryride Venting Toe Panels Midweight Fabrication