Browse our collection of Men's Thermal Socks. Most Men's Heat Holders® Socks fit men's shoe sizes 7-12 inclusive and are available in Ankle, Crew and Long lengths, and ORIGINAL™, LITE™ and ULTRA LITE™ warmth levels. Men requiring sizes 4-8 can shop the Women's styles. The Slipper styles have a no-slip grip on the bottom for traction on indoor hard surfaces such as wood or tile. Choose a style to buy now! All Men's thermal sock styles available in multiple colors!