John F. Kennedy was president during the early 1960s. During this period of the cold war there was a significant amount of nuclear testing in bodies of water. This nuclear arms race left trace amounts of radioactive material that oddly enough helped scientist determine the ages of some types of sharks.

• 50% cotton, 50% polyester
• Pre-shrunk
• Classic fit
• 1x1 athletic rib knit collar with spandex
• Air-jet spun yarn with a soft feel
• Double-needle stitched collar, shoulders, armholes, cuffs, and hem

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!