Why did we name this stretchable, moisture-wicking 1/2-zip the 1.5? Because it's light enough to wear as a tee, but warm enough to be a light layer. 5.6-ounce, 88/12 poly/spandex Removable tag for comfort and relabeling Invisible zipper Coverstitch seams throughout Open cuffs and hem Thumbholes to keep hands warm