They're not. This message isn't for everyone, even though everyone, inevitably, gets to a/the door. It's made of 100% ring-spun cotton and is soft and comfy (the shirt-- not the doors). The double stitching on the neckline and sleeves add more durability to what is sure to be a favorite! Yeah, it would be cool if you could take it with you to show the folks on the other side-- they'd want one too, and a huge portion of them would completely agree I'd bet. There's a video or two on the meaning.

• 100% ring-spun cotton
• Sport Grey is 90% ring-spun cotton, 10% polyester
• Dark Heather is 65% polyester, 35% cotton
• 4.5 oz/yd² (153 g/m²)
• Shoulder-to-shoulder taping
• Quarter-turned to avoid crease down the center
• Blank product sourced from Bangladesh, Nicaragua, Honduras, Dominican Republic, Haiti or Guatemala

Disclaimer: Due to the fabric properties, the White color variant may appear off-white rather than bright white.