Stock up on girls underwear for school and everyday wear, in sizes 2 to 16. Mayoral has 4-piece underwear sets in 2Y to 16Y and 2-piece training bra sets in 8Y to 16Y, a good next step for older girls moving up from basic undershirts.

Deux par Deux offers boyshort panties in 3-packs with holiday or feminine prints, single organic cotton boyshorts with flower, kitten, ice cream and animal prints, and organic cotton tank undershirts, all sized 2/3 to 11/12.

Finish her everyday basics with socks and tights and comfortable girls pajamas. On cold days, girls base layers go under a snowsuit, and you can find more essentials in girls clothes.