2,500 years ago Pythagoras sort of figured it out. Then Ferdinand Magellan circumnavigated the globe to prove it. Leave it to the internet and NBA stars to unravel thousands of years of astronomy. 

This is a classic tee that has a light feel. Made of 100% ringspun cotton (except for heather colors, which contain 10% polyester). It's our most popular style, and fits both ladies and men. Though the ladies tend to like a size down.

Don't be fooled by the lightweight, however. These shirts are just as rugged as any thick, heavy t-shirt from yesteryear. Read about why you should be switching to high quality . 

• 100% ringspun lightweight cotton
• Pre-shrunk
• Tubular construction
• Shoulder-to-shoulder tape
• Seamless collar
• Double-needle sleeve and bottom hem