The specially developed advanced fibers provide high performance insulation against cold with superior moisture wicking abilities</br>The innovative long looped thermal pile knitting technology products a unique?? extra-long looped cushion pile to hold in more warm air?? increasing the thermal tog rating</br>Using an intense brushing process produces a soft brushed inner fabric that maximizes the amount of warm air held inside the socks for all-day warmth and comfort</br>Women's shoe size US 5-9</br>The ultimate thermal sock</br></br>Product Description</br></br>When temperatures fall?? pull on this pair of ladies heat holder thermal socks and enjoy the extreme warmth! Available in 8 colors. Fits women's us shoe sizes 5-9. An extremely high thermal overall grade (TOG) of 2.34?? this thermal sock is 7 times warmer than a basic cotton sock. Heat holders are made from a specially developed heavy bulk yarn which has ex