Increase your pace on the ascent in this men's outdoor t-shirt engineered with breathable Pontetorto Merino TecnoWool and COOLMAX fabric for moisture-wicking performance. Constructed from a single piece of fabric with just two seams, the lightweight garment resists rubbing and chafing. Crewneck. Pontetorto Merino TecnoWool fabric combines the natural advantages of wool with the functionality of COOLMAX moisture-wicking fabric. Lightweight, single piece of fabric with only two seams. 50% wool, 50% polyester single jersey.