You will hardly find anything to keep your kids warmer than merino wool blend thermal base layers.
Engel Merino Wool/Silk Kids Leggings Walnut - Merino Wool Clothes for Babies - Ava's Appletree
ENGEL - Kids Long Sleeve Thermal Base Layer Shirt or Pajama Top, Organic Merino Wool Silk, Sizes 2-15 years
Women's Merino Wool/Silk Long Sleeve Top - Woollykins
Hocosa Long Underwear Pants in Organic Merino – Danish Woolen Delight
Engel - Kids Leggings Pants Base Layer, 100% Organic Wool, 2-13 Years
Engel 70% Organic Wool 30% Silk Baby Pants (62/68 (3-6 mo), Glacier) : : Clothing, Shoes & Accessories
ENGEL - Kids Thermal Underwear Leggings: Base Layer Long Johns Lounge Pants, Organic Merino Wool and Silk, 2-15 years
Child's Leggings in Wool/Silk (1-14y) - Woollykins
Child's Leggings/Long Johns - Organic Cotton/Wool/Silk (1-12y
Engel Merino Wool/Silk Kids Leggings Walnut - Merino Wool Clothes for Babies - Ava's Appletree
ENGEL Men's Thermal Underwear Long Johns Leggings, Organic Merino
Women's 100% Organic Merino Wool Long Johns - Natural *Returning 2024