Living in Canada, we adhere to the theory that there is no such thing as bad weather, only bad clothing. Long underwear plays an important role in ensuring that regular clothing is just right. We bought this set for my 9 year old son who is about 60 pounds and 51 inches tall. They are snug enough to be comfortable under clothing but have little room to grow. Though thinner than some long underwear, he found it very warm and liked the smooth texture. He specifically remarked that they "don't itch at all," which I take as a bonus because it meant he enjoyed wearing them. It's a comfortable, washable and warm base layer that will help your kids get outside in winter.
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