"The value 2-pack for riding and ranching Acrylic wicks moisture away and is soft against the foot Cushion panels inprove boot comfort Special elastic panels throughout reduce sock slippage Reinforced sole and heel for extended wear Smooth linear looped toe seam for no irritation at toes Over-the-calf Medium weight Contents: 68% acrylic, 31% nylon, 1% Lycra? spandex"