Smartwool Men's 1/4 Zip-Up Intraknit Merino Wool Sweater - size Large

EUC, size large. No internal tag, but collar tag reads intraknit, size large. From their website: Meet the Men's Intraknit™ Thermal Max Merino Base Layer 1/4 Zip. This bulk-free, 100% Merino wool thermal layer brings a new dimension to active winter wear. With seamlessly integrated insulation and ventilation, perfectly articulated flex zones, and Merino comfort, it'll be the first thing you grab when you need a warmer layer for your high-intensity, cold-weather adventures. 97% Merino Wool, 2% Polyamide, 1% Elastane.