Men's Jeffrey cream block twist crew sock. Features advanced thermal yarn and more than 7X warmer than a basic cotton sock to keep feet warm on the coldest of days. The inside of each sock has been intensively brushed for a soft feeling, and it also traps warm air close to the skin keeping your feet warmer for a longer time. Long pile cushioning provides comfort and support. Non-binding, diabetic friendly, and provide relief for cold feet due to circulation problems. 2.34 tog rating.