Whether you call them sneakers, joggers, or something else (sand shoes?), there's no denying the popularity of athletic footwear. With more than $30 billion in sales a year, it's clear not everyone who buys a fresh pair is playing sports. | Want to support 1A? Give to your local public radio station at donate.npr.org/1A and subscribe to our podcast. Have questions? Email the show at 1a@wamu.org and find us on Twitter @1a.