Keep Your Feet Warm - Extra Warmth During Winter's Extreme Cold. A heavily brushed plush lining makes these insulated thermal socks give your feet a soft and comfortable feel during long days in cold weather on outdoor trails. 80% acrylic, 18% polyester, 2% elastane. Machine washable. Fully Lined Thermal Socks. Made for extreme temperatures - warmer than your regular socks! Insulating socks are specially designed to keep your feet warm even when it's cold outside. If you work outdoors in winter, go skiing or hiking and camping in the mountains, plush thermal socks are the ideal choice for you. Multiple Uses - Warming thermal socks are suitable for various situations, you can wear them as cabin socks, slipper socks, hiking socks, thermal socks, heavy-duty work socks, winter thermal socks, plush socks, outdoor socks, and sports socks. In addition, you can wear these thermal socks during winter or in any cold regions as booties, slippers, family socks, or everyday comfort socks. GREAT GIFT CHOICE - Everyone needs more socks. New socks are often a great gift for Christmas or other holidays. These thermal socks are the perfect gift for hikers, outdoor workers, Thanksgiving, or everyday use. It's a great gift for family, friends, and your loved ones in winter, such as birthdays, New Year, anniversaries, Christmas gifts.