You've now found the staple t-shirt of your wardrobe. It's made of 100% ring-spun cotton and is soft and comfy. The double stitching on the neckline and sleeves add more durability to what is sure to be a favorite! • 100% ring-spun cotton • Sport Grey is 90% ring-spun cotton, 10% polyester • Dark Heather is 65% polyester, 35% cotton • Shoulder-to-shoulder taping • Quarter-turned to avoid crease down the center Disclaimer: Due to the fabric properties, the White color variant may appear off-white rather than bright white.