The kids heavy cotton tee is perfect for everyday use. The fabric is 100% cotton for solid colors. Polyester is included for heather-color variants. These fabrics are prime materials for printing. The shoulders have twill tape for improved durability. The collar is curl resistant due to ribbed knitting. There are no seams along the sides. .: Made with 100%, midweight (5.3 oz/yd² (180 g/m²)), US cotton that feels soft to the touch and a great choice for any season. .: The crew neckline along with the tee's classic fit, deliver a timeless style that is perfect for daily use. .: All t-shirts come with pearlized, tear-away labels for total comfort and a scratch-free experience. .: Made using ethically grown and harvested US cotton. Gildan is also a proud member of the US Cotton Trust Protocol ensuring ethical and sustainable means of production. This blank tee is certified by Oeko-Tex for safety and quality assurance. .: Fabric blends: Heather colors - 50% cotton, 50% polyester, Sport Grey - 90% cotton, 10% polyester.