They don't slip, which is an A or 1a at the top of the sock requirement list. They're also comfortable (no weird seams), which is another requirement for 1 or 1a socks. You get a muted but bright striped pair and a solid color, both of which can be paired with many different outfits.
C9 Champion Girls Supersoft Bright Girls' Clothing and Active
46 Review
Dancina Toddler Leotard Flutter Sleeve Girls' Clothing for Active
55 Review
Eocom Pairs Childrens Winter Animal Girls' Clothing
64 Review
Amazon Essentials Little Short Sleeve Leotard Girls' Clothing for Active
61 Review