Main Fabric:Â 100% Merino wool, 18.5 microns
SW100Â | Size: XS-XL | Wt: 170 g. (5.95 oz.)
• Merino wool: highly absorbent, odor resistant, and one of the most comfortable base layer fabrics
• Thumbholes with contrasted bartacks to keep sleeves in place
• Quarter-zip for maximum ventilation
• Flat seams are set to minimize chafing from pack straps