My daughter is slim but bow-legged and I thought she was about to crawl out of these pants. The length is ok, but they definitely don't leave any leeway. She is also a slim baby at the waist, but she is very tight. Now she is 2T and they are 3T. I would recommend if you buy a size up.
Adorable and comfortable Splendid girls' leggings for kids and babies
80 Review
Girls' Clothing and Leggings - Govc Winter Fleece Velvet Leggings
49 Review
Lilax Girls Basic Length Leggings Girls' Clothing in Leggings
52 Review
Spotted Zebra Girl's Disney Star Wars Marvel Frozen Princess Leggings: Unleash the Fantasy!
46 Review