When it comes to heavy-duty warmth, the Fruit of the Loom Women's Heavy Duty Thermal Crew Socks are a top choice. These socks are made from a blend of polyester, cotton, and spandex, providing a soft and comfortable fit. The thermal construction traps heat close to your skin, keeping your feet warm and cozy in cold winter temperatures. The reinforced heel and toe offer extra durability, while the cushioned footbed provides maximum comfort and insulation. Whether you're working outdoors or just need extra warmth for everyday wear, these thermal crew socks will keep your feet toasty and comfortable all winter long.