Bought to wear under dresses as teachers seem to mind the flare of underpants (but think boys' pants hang down from their bum so you can see that their underpants aren't annoying Act). We wanted something with a shorter inseam as the ones we currently have are long enough to occasionally peek under the hem of the dress. Medium (7/8) fits well for a child with a 48" and 23.5" waist and 50lb but leaves some room for growth/stretching. I only took off one star because 1) the packaging is annoying and I accidentally cut some fabric trying to cut them off the hangers since they were attached so tightly and 2) the navy blue ones are a bit see through. The pink ones don't look that bad, but maybe it's just a little pattern on the fabric that makes it less noticeable than solid colors. UPDATE: 16 months later and they still fit my baby perfectly. They still fit since she's taller, but haven't really gotten any wider, and they don't wear off much from wear or washing, although she probably wears a few pairs every week. She sometimes wears them with a t-shirt for gymnastics, although they're a little thin for that, but not so much that I'm concerned.
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