T5.3-ounce (180 GSM)60% recycled cotton/40% recycled polyester, 24 singles54% recycled cotton/40% recycled polyester/6% recycled rayon, 24 singles (Light Heather Grey)58% recycled cotton/40% recycled polyester/2% recycled rayon, 24 singles (Ash)This product’s carbon footprint has been measured and reduced through a combination of preferred materials and investing in carbon offset projects though the ClimeCo Certified Product™ Program1x1 rib knit neckShoulder to shoulder tapingTag-free label