Men's Long Length Heat Holders® socks rise above the calf below the knee. If a shorter sock is required please shop Men's Ankle Length Socks or Men's Crew Length Socks. Most Men's Heat Holders® Socks fit men's shoe sizes 7-12 inclusive. If you need a larger size, shop the Men's Big Foot styles for 13-15. Men requiring sizes 4-8 can shop the ladies styles. Choose a style to buy now! All styles available in multiple colors!