Relaxing Men's Socks with Heat Retention - Size: 24-27cm - Target: MEN - Features: Heat retention, relaxation - Product Name: Sleep Switch Type with open toes Warms ankles and heels, where many blood vessels are located, to relieve coldness Doesn't trap heat or sweat even when worn to bed Easy to care for, just put them in a net and wash These are very popular as gifts, especially for those who are struggling to fall asleep due to cold feet during this time of year. Brand new, unused. Thank you for looking.