If you're looking for inspiration for either, check out Karen's hair on "Stranger Things." Looking for a more modest (but no-less-fabulous) option in the realm of '80s workout fashion? Try wearing ...

There’s no time capsule quite like an ’80s aerobics class ... blue eye shadow and big hair worn down for even the sweatiest routines (did no one have a ponytail holder?).

Leotards, bright colors, and leg warmers galore — there’s nothing quite like an 80s workout. But don’t let the sassy outfits and perky music fool you: If you’ve ever exercised with an '80s ...