If you're a nuclear physicist, then you will know that the old cliché about how we're mostly made of empty space is a little misleading. Scientifically speaking, empty space isn't exactly empty.
 
If you're a nuclear physicist, you might prefer it if this shirt said "99.9999999% probability cloud," or something like that.
 
Then again, there's a 99.9999999% chance you're not a nuclear physicist, so let;s just stick with the empty space idea. The point is the same either way.
 
Everything we imagine to be something is mostly nothing. And when you think about it, that's really something else.
 
• Soft 50/50 cotton–poly blend for warmth and durability
• Tubular knit (no side seams) for a clean, waste-reducing finish