Stay warm and comfortable with the Carhartt Men's Base Layer Thermal Shirt in a sleek Black Heather. This heavyweight shirt features a unique synthetic-wool blend that combines the best of both materials for optimal warmth and moisture-wicking properties. Designed for durability, it’s perfect for layering during cold weather activities or for everyday wear. The relaxed fit ensures ease of movement, while the flatlock seams minimize chafing. Ideal for outdoor enthusiasts or anyone needing reliable insulation, this thermal shirt is a must-have for your winter wardrobe. Available in size Large.