nothing, we put it on. The pink marble design is very cute! However, they are not very soft. I am disappointed because we already had soft pajamas from this brand. Not this one. They have that rough, stretchy, cheap cotton that some will find uncomfortable. The waist also slides down. They're cut as cheaply as most pants are now: the legs are narrow, but the waist is oddly roomy, and something about the waist and crotch always makes them unsuitable. My son has the skinny legs so these pajamas don't pinch his legs but landing seems to be a problem. He is a tall slim boy of seven and a half and a size 8 fits well, maybe there is still some room for growth; not tight. My son chose pink marble and loves it although I've never seen him choose "girly" clothes. "Mom, most kids clothes these days are boo girl clothes." Good. But the pink marble looks almost same-sex, if that matters to you.
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