Product details:

A slim fit with an elastic waistband keeps the fit dialed, with a next-to-skin feel and breathability that only merino wool can provide. Flatlock seams and an interlock knit keep everything cozy and chafe-free so you can focus on your adventure in the mountains and beyond. Flatlock Seam Construction Designed to Eliminate Chafing Interlock Knit 100% Merino Wool Slim Fit Fabric Weight | Mid 250 Single layer for cold weather performance. Baselayer for very cold weather.