Men's Thermal Underwear Winter Base Layer Set - Warm Elastic Fitness Thermo. Elevate Your Comfort with These Classic Men's Long Johns, Expertly Crafted for Warmth and Flexibility. Using a Premium Blend of Polyester and Spandex, This Essential Offers a Snug and Soft Fit, Perfect for Layering During Cooler Months. Designed to Provide Superior Insulation, the Fabric Includes a Woolen Element, Ensuring Optimal Heat Retention. Ideal for Those Seeking Reliable and Comfortable Warmth. Features: - Material: Polyester and Spandex Blend - Designed For: Men - Includes Wool: Yes - Style: Long Johns - Durability: High-quality Construction for Lasting Wear - Origin: Mainland. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.