SMARTWOOL MERINO 250 BASE LAYER BOTTOM - MEN'SWe've updated our Men's Merino 250 Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer. And our heaviest weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.FEATURESSlim Fit100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistanceFit updated to improve functionality while enhancing aestheticsMerino-covered elastic interior waistband and traditional fly designFlatlock seam construction designed to minimize chafingTECH SPECSSize M inseam: 30" (76 cm)Knit in Vietnam: 100% Merino WoolGarment Weight: 228 g = 8.04 oz