Review on Kids Thermal Underwear Set - Boys Long Johns Top And Bottom For Winter by Ryan Reiter

This is very soft and comfy according to my son and warm. I washed them as soon as I received them and they didn't shrink or create lint. I had originally ordered a medium, based on the product sizing but it was very small and I had to return it and order a bigger one. Delivery was very fast on both occasions. My son is 6, tall and muscular. He's 4'4" (52") and 69lb. He usually wears Youth Small to Medium in major brands. Medium was more like 5T. The XL fits perfectly but will be small next winter.