Are AbercrombieKids swimsuits really itty bitty?

I want to get a swimsuit there and i want to know if like there really small, as in like do they show alot of skin and stuff like on the bottoms should i get one size bigger so they dont do that and if i am a medium in shirts and skirts there and a 12 in jeans and shorts should i get a Large in bottoms and Medium in top. I need to know cause there having a sale online and I would have to order it