Keep feet warm on the coldest of days and pull on this pair of Payton twist style, contrast heel & toe, crew length Heat Holders(R) for women, the warmest thermal sock. Fit & Design: Thick, chunky and with a massive tog rating of 2.34 Heat Holders(R) are made from a specially developed heavy bulk yarn which has extreme thermal qualities Long-pile cushioning Advanced thermal yarn More than 7X warmer than a basic cotton sock! Sensationally soft Non-binding, and diabetic friendly Single pair pack