When the temps start to drop, you'll be glad you brought the TUO Kinetic Merino 250 Quarter-Zip Base-Layer Top for Men. The 250-gram merino wool brings natural odor reduction and exceptional moisture-wicking capability, while flatlock seam construction elevates the next-to-skin comfort. Built for every adventure, the Kinetic Merino 250 eliminates the guesswork of what to pack first, letting you effortlessly match the rest of your layers to your activity and prevailing conditions. 95% merino wool/5% spandex. Machine wash. Imported.Manufacturer style #: 9060019. 95% merino wool/5% spandex Warm 250-gram interlock fabric Natural odor reduction, thermal regulation, and breathability Quarter-zip top for temperature regulation and easy layering Moisture-wicking Flatlock seams for next-to-skin comfort Helps reduce odors; does not guarantee 100% odor elimination