Superior Heat Retention: The Heatguard Thermal Short Sleeve T-Shirt utilizes a specially designed soft knit fabric that effectively traps and retains body heat. This ensures you stay warm and comfortable even in the coldest temperatures, making it an essential layer for winter activities or chilly indoor environments. Premium Fabric Blend: Made from a high-quality blend of 53% polyester and 47% cotton, this thermal t-shirt offers the perfect combination of durability and softness. The polyester provides strength and resistance to wear, while the cotton ensures a breathable and comfortable feel against your skin, suitable for all-day wear. Versatile Fit and Sizing: Available in sizes ranging from M (37/40) to 4XL (55/59), the Heatguard Thermal T-Shirt caters to a wide variety of body types. The thoughtful sizing ensures a snug yet comfortable fit, allowing you to move freely while maintaining warmth. The approximately 31-inch length provides ample coverage for a flattering silhouette. Easy Care and Maintenance: Designed for modern lifestyles, this thermal t-shirt is fully machine washable, making it easy to care for and maintain. The fabric retains its softness and shape even after multiple washes, ensuring your t-shirt looks and feels new with minimal effort. This practicality makes it a reliable choice for everyday wear. Chums Men's Heatguard Polyester Cotton Blend Thermal Short Sleeve T-Shirt in White Size: Medium