Men's Classic Thermal Merino Base Layer Crew

The Smartwool Classic Thermal Merino Crew Base Layer Top combines warmth, comfort, and natural Merino wool performance for cold-weather adventures. Its 250-weight interlock-knit fabric helps regulate temperature, manage moisture, and resist odors, while thoughtful construction minimizes chafing and improves comfort during hikes, skiing, and other outdoor activities. 250-weight Merino wool interlock knit Naturally breathable and odor resistant Helps regulate body temperature and manage moisture Shoulder panels eliminate shoulder seams Updated fit for improved functionality Flatlock seams help minimize chafing Ideal for hiking, skiing, and cold-weather layering