Pro Series Mens Short Sleeve T Shirt Aubin BlackTechnical short sleeve T shirt with a round neck, crafted in Merino Lyocell lightweight, breathable, and wonderfully soft Lyocell Tencel is an eco friendly fiber made from eucalyptus wood cellulose, helping to regulate body temperature and manage perspiration Merino wool comes from the merino sheep No damp feeling a true sensation of freshness thanks to the Lyocell fiber Both Lyocell Tencel and Merino fibers work on the same principle: absorbing large