The Merino Long Sleeve Tee in Heather Army from Taylor Stitch 4.5-oz. 95% mercerized merino wool, 5% lycra. Our mercerization process gives this merino amazing softness, increases its strength, and makes it machine-washable. Merino wool provides excellent moisture management, effective temperature regulation, odor control, and stain resistance. Wash cold and tumble dry low. Made in China.