Keep feet warm on the coldest of days and pull on this pair of twist pattern, medium thickness, long length Heat Holders(R) LITE(TM) for women, the warmest thermal sock. Fit & Design: Heat Holders(R) are made from a specially developed yarn which has extreme thermal qualities Over the calf length Medium-pile cushioning Advanced thermal yarn More than 4X warmer than a basic cotton sock Sensationally soft Non-binding, and diabetic friendly Single pair pack