Wear this in front of your best class!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• 4.5 oz• 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.This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions! Size guide   LENGTH (inches) WIDTH (inches) S 28 18 M 29 20 L 30 22 XL 31 24 2XL 32 26 3XL 33 28