Insulating fibers, gentle compression and moisture wicking mean warm, dry, happy feet. Cushioned leg and foot protect you from bumps and bruises from top to bottom. Fully cushioned construction absorbs shocks and insulates Spandex ankle panel holds sock comfortably in place Merino wool and acrylic blend moves moisture away from skin Smooth, flat comfort toe seam 55% acrylic, 25% nylon, 19% Merino/wool blend, 1% spandex Style #5810