You've now found the staple t-shirt of your wardrobe. Throw out the rest. There's info like: It's made of 100% ring-spun cotton and is soft and comfy. The double stitching on the neckline and sleeves add more durability... blah blah blah. You'll look amazing, people will think you're even more amazing then you already are... that's all you need to know.
• 100% ring-spun cotton
• Sport Grey is 90% ring-spun cotton, 10% polyester
• Dark Heather is 65% polyester, 35% cotton
• 4.5 oz/y² (153 g/m²)
• Shoulder-to-shoulder taping
• Quarter-turned to avoid crease down the center