5 oz., pre-shrunk 100% cotton Ash is 98/2 cotton/polyesterAthletic Heather is 90/10 cotton/polyesterBlack Heather, Turquoise Heather, Neon Colors, Safety Colors and all Retro Colors are 50/50 cotton/polyester High-density fabric for exceptional print claritySeamless 1x1 ribbed collarShoulder-to-shoulder tapingDouble-needle stitched sleeves, bottom hem and front neckQuarter-turnedCPSIA compliant tracking labelTearaway label