The kids 100% US cotton tee is perfect for everyday use. The shoulders have twill tape for improved durability. The crew neckline collar is curl resistant due to ribbed knitting. There are no seams along the sides. All t-shirts come with pearlized, tear-away labels for total comfort and a scratch-free experience; midweight (5.3 oz/yd² (180 g/m²)): certified by Oeko-Tex for safety and quality assurance.