Gramicci Men's Organic Mckay Performance Crew Shirt 53% hemp 44% organic cotton 3% spandex Imported Wash separately in cold water before wearing Athletic Fit: Comfort slim-fitting technical garment that's not tight, but designed to be close to the body without the constriction of compression Engineered flat seams for chafe resistance and comfort Engineered raglan seam with rib knit for ease of movement Wash separately in cold water before wearing