Got it for my kids.
They are warm and thick. Wearing them with boots will make your boots feel tight unless you have increased the boots due to the thickness of the socks.
Amazon Essentials Little Short Sleeve Leotard Girls' Clothing for Active
61 Review
Dancina Toddler Leotard Flutter Sleeve Girls' Clothing for Active
55 Review
Hollhoff Gymnastics Playgrounds Shorts - Breathable Clothing for Girls
48 Review
Thermajane Girl's Cozy and Comfy Thermal Underwear Long Johns Set with Fleece Lining
46 Review