A superior insulator, the SmartWool Men's NTS Midweight Merino Wool Bottoms are an ideal baselayer choice for those blustery cold days of winter when the temps drop well into the single digits, or as a stand alone piece for cool weather training. The covered elastic waist and flatlock seam construction of these bottoms help eliminate chafing. Since it's 100% SmartWool interlock knit, you can rest assured it's totally itch free, offers the ultimate in breathability, odor protection and it's totally machine washable and dryable. Constructed of 100% merino wool fabric. Interlock knit UPF 50. Flatlock seam construction eliminates chafing. Covered elastic waistband and traditional fly design. Heat transfer logo at left hip. Form fit natural rise. Avg. weight: 7.76 oz. Avg. inseam: 29 in. Import.