Chances are you know that people love custom tees, but do you know how much they love custom tees? Not only do 95% of Americans wear tee shirts, but nine out of 10 Americans own at least one shirt that they refuse to throw away out of sentimentality. That’s not the only thing that might surprise you, either. Here are a few other weird facts you didn’t know about custom tees! Tee Shirts Are Named After Their Shape. Back in the 1800s, people started cutting their long underwear in half, separating the top from the bottom. These top parts were…