Merino wool is familiar to many outdoor enthusiastswhen worn directly on the skin, it regulates temperature fluctuations, works even when damp, and as a bonus, it requires less washing than synthetic fibers. Tencel, on the other hand, is made from wood fiber and feels very pleasant on the skin. Covert Lite is a great choice for various uses: it works as a lightweight mid-layer shirt, loungewear, or even as workout clothing in a slightly chilly yoga studio. - Loose fit - Wide, stretchy hem - Shoulder seams are moved away from the tops of the shoulders - Machine washable