- Size: XL - Carhartt Men's Base Force Crew Thermal Top, size XL - Made of quick-drying technical fabric that wicks away sweat and fights odors - Features Rugged Flex technology for greater freedom of movement and comfort - Flat seams and tagless label to prevent skin irritation - Includes zippered chest pocket for small items - Hidden thumb loops enhance fit and protection - Brick color, perfect for outdoor activities, work, or everyday winter use - Ideal as a first thermal layer to retain body heat