Mens Red Bandana Bathing Suite Where Can I Find A Mens White/red Stripe Shirt?

Where can I find a mens white/red stripe shirt? - mens red bandana bathing suite

In the film, SANTA JR. If, actor playing Santa is wearing a shirt / white stripe below the red Santa Claus outfit. Looking for a shirt just like in the movie. Has anyone any idea where I can find a shirt? I checked eBay and Santa costumes pages in vain. We appreciate any help.