Heat Holders Men's Twist Casual Crew Socks - Thick and chunky, Heat Holders Original socks are made from a specially developed heavy bulk yarn which has extreme thermal qualities. With long pile cushioning, these thermal socks will help keep feet fully comfortable and supported. Brushed interior that is super soft, and traps heat close to the skin to keep you warmer for longer 7X warmer than a traditional cotton sock Nonbinding, diabetic friendly Style: HHM04642