The primary materials that compose this product contain a minimum of 20 percent recycled content. Remain on the go by wearing the breathable and comfy style Mountain Hardwear Trek N Go Short Sleeve Shirt. Pullover style. Ribbed crew neckline and short sleeves. High-low design with a straight hem on the front and curved at the back. 76% recycled polyester, 19% TENCEL Lyocell, 5% elastane. Machine washable. Imported.