Pretty thick! They were very warm and durable! I have size 10-12 for 11 years old. She is very thin, petite and her legs are like two branches and they are just right for her. If it was thicker, I might have to go taller. They're not as stretchy, so they keep the feeling of being thick and strong.
Warm and Soft Wool Socks for Kids - Cute Animal Design, Thick Thermal Crew Socks for Children and Toddlers in Winter
43 Review
Children Toddler Thermal Cotton Winter Girls' Clothing
58 Review
Girls Winter Fleece Lined Tights Girls' Clothing
46 Review
Jefferies Socks Little Seamless Organic Girls' Clothing
44 Review
Eocom Pairs Childrens Winter Animal Girls' Clothing
64 Review
Dancina Toddler Leotard Flutter Sleeve Girls' Clothing for Active
55 Review
C9 Champion Girls Supersoft Bright Girls' Clothing and Active
46 Review
Amazon Essentials Little Short Sleeve Leotard Girls' Clothing for Active
61 Review