TUO Kinetic Merino 250 1/4 Zip Shirt Deadfall 3X-Large Warm 250g interlock fabric;Naturally moisture-wicking and antimicrobial;Made with 18.5-micron merino wool;Maintains thermal regulation and breathability;Flatlock seams for next-to-skin comfort;Quarter-zip design for temperature control and easy layering;Ideal for cold-weather base layeringtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 5500 Product Group Code: 5500B Product Sub Group 1: 5500B1 Product Sub Group 2: 5500B1D Inactive: Yes