Women's Jade Holiday LITE® Polar Bear Crew SocksAdvanced thermal yarn 5X warmer than the average cotton sock Sensationally soft Non binding Cruelty free Heat Holders LITE socks are 5X warmer than the average cotton sock, super soft, and comfortable. Keep your feet warm on cold days with Heat Holders, makers of The Warmest Thermal Sock. No More Cold Feet! With a tog rating of 1. 7, Heat Holders LITE socks are made with advanced thermal yarns which are extremely soft and warm. In our proprietary