A popular underwear company wants to help keep Olympic diver Jules Bouyer's now-famous bulge safe and sound ... telling TMZ Sports it's offering the French athlete a LIFETIME supply of its undies!!
Officials over at Shinesty -- famously known for its Ball Hammock Pouch Underwear -- formally extended the offer to Bouyer this week ... after viewers of the Paris Games went crazy over what the dude was hiding in his tiny swimsuit.