Debra Weitzner Men's Heated Thermo Sox Top Rating 3.6 NIB Black No more winter blues with these socks. Extra Thick Yarn For More Heat Retention. Deep Cushioning - Traps More Heat. Super Brushed Inner - Super Soft/Exceptionally Warm Feel. 5X Warmer Than Cotton Socks/Nearly 3X Warmer Than Average Thermal Socks. Rated 3.6. New in package. Black