Klim Teton Merino Wool 1/4 Zip Shirt The Teton Merino Zip serves as an ideal cover-up for cooler days, around a campfire, or during city outings. With its sophisticated design and finished look, this product fits effortlessly into any setting. It's truly the ultimate layering piece for everyday use. Features: Custom blend of merino wool/nylon Knit from premium merino wool fibers for exceptional comfort Low profile merrow stitching for comfort One hidden external chest pocket Regulates body microclimate in hot and cold conditions Antimicrobial and odor-resistant Maintains insulating value even when wet Zipper garage Naturally stain & static resistant