I bought 6x/7 for shirt and pants. Both are great for elastic soft material. The shirt was a bit long for my daughter's body. The rest is great.
Kid Nation Unisex Heather Charcoal Girls' Clothing for Leggings
52 Review
Adorable and comfortable Splendid girls' leggings for kids and babies
80 Review
ZukoCert Fleece Leggings Cashmere 2P B 130 Girls' Clothing for Leggings
61 Review
Spotted Zebra Girl's Disney Star Wars Marvel Frozen Princess Leggings: Unleash the Fantasy!
46 Review
Thermajane Girl's Cozy and Comfy Thermal Underwear Long Johns Set with Fleece Lining
46 Review
Tommy Hilfiger Girls Crop White Girls' Clothing
54 Review
Amazon Essentials Little Short Sleeve Leotard Girls' Clothing for Active
61 Review
Hollhoff Gymnastics Playgrounds Shorts - Breathable Clothing for Girls
48 Review