The ultimate foundation for smart layering, the SmartWool Men's NTS Microweight Merino Wool Brief feature a smooth embossed logo elastic waistband and Seamsoft coating on internal flatlock seams for exceptional smoothness and comfort. Includes a fully functional fly. Constructed of 96% merino wool , 4% elastane fabric. Jersey knit UPF 50. Smooth embossed logo elastic waistband. Fully functional fly with contrast color bar tacks at fly opening. Coats Seamsoft thread on flatlock internal seams for exceptional smoothness and comfort. Form fit mid rise. Avg. weight: 2.47 oz. Import.