Description: If you were ever in the military, or in scouting, you might know the rest of this one.

Description: This way, they can blend in with society.

Description: Celebrate your favorite '80s movie with this unique design!

Description: Perfect for BFFs of a certain age!

Description: Perfect for BFFs of a certain age!

Description: Celebrate your favorite classic sitcom with this unique design!

Description: Celebrate Hollywood's golden age with this unique design!

Description: Celebrate what may have been the best summer for movies with this unique design! Note: While Vacation was actually released in 1983, drive-in theaters frequently played a second-run movie as part 2 of a double feature.

Description: Which ones did YOU own?

Description: For the old-school tabletop gamers out there!

Description: Celebrate your favorite '80s sitcom with this unique design!

Description: Perfect for fans of '80s sitcoms!

Description: Perfect for fans of '80s sitcoms!

Description: Celebrate your favorite ukulele player with this unique design!

Description: Show your love of classic handheld games with this unique design!

Description: Perfect for professional and amateur meteorologists alike!

Description: Celebrate your favorite TV series with this unique design!

Description: Perfect for the next summer gathering!

Description: It's all over the comments sections of your favorite websites, so why not wear it too?

Description: Relive the days of the afternoon horror movies with this unique design!

Description: Celebrate your favorite '80s movie with this unique design!

Description: You may set off some Geiger counters with this design!

Description: Celebrate your favorite retro drink design!

Description: A spin on the "Don't Tread on Me" design. Perfect for fans of Greek mythology!

Description: Perfect for fans of classic film!

Description: Old magazine advertisement.

Description: Remind your friends to pick up after themselves.

Description: Remind your friends to pick up after themselves.

Description: Remind your friends to pick up after themselves.

Description: Celebrate your favorite modern cult sitcom with this unique design!

Description: See who among your friends gets the reference.

Description: For fans of the world's first calculator! See if your friends get the numeric reference (hint: it's an immature joke when you enter the number into a calculator and turn it upside-down).

Description: For fans of the world's first calculator! See if your friends get the numeric reference.

Description: Perfect for a birthday gift!

Description: Perfect for a birthday gift!

Description: Perfect for a birthday gift!