(Author's note: written for The_Weekend_Write-In prompt, Twin. Only a drabble.
Thanks to johnnedwill for the inspiration!)

I slipped on the jacket and turned to peer at my back view in the mirror. And yes, my bum did look big in that. And why the heck did they make the lights so bright in the changing rooms? All very well for skinny, young things but what about the more mature woman? Had anyone ever thought of installing candlelight? I shrugged off the jacket and pulled another off the hanger. It was almost the same colour as the top I had on underneath but the cut was flattering.

"Soph?"

"Mum! You can't wear that! It's a twinset!