Rocky Thermal Underwear for Kids, Boys Thermals Top & Bottom Set, Long Johns Underwear, Base Layer for Cold Weather/Skiing

4.6 4.6 out of 5 stars | 5,371 ratings

Price: 22.99

Last update: 02-17-2025


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Rocky Thermal Underwear for Boys, Long Johns Fleece Lined Set, Shirt & Pants, Base Layer w/Leggings/Bottoms Ski/Extreme Cold

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Top reviews from the United States

  • Amazon Customer
    5.0 out of 5 stars Perfect for under sports gear and cold weather activities
    Reviewed in the United States on December 18, 2024
    I ordered these for my son who plays hockey. They are perfect for under his equipment, allow for movement, great level of warmth, and have held up really well with lots of practice and game use. We have also used them during sledding/skiing!
  • Brooke
    5.0 out of 5 stars Fuzzy & Warm
    Reviewed in the United States on November 23, 2024
    Ordered the size Large for my son who is 10yrs old based on other reviews who said the Medium was a bit snug for their 10 yr old. They are so fuzzy, nice material, color was as pictured & while just a touch big on the waste for my son he can grow into them. Great purchase for the price! Will be buying for my other children.
  • monique
    5.0 out of 5 stars Way Better than the Rest!
    Reviewed in the United States on December 14, 2023
    These are the best as far as quality, comfort, fit/sizing! I have bought 6 other brands of base layer sets from target, REI, etc and had to return them all because of poor fit or tiny sizing.
    I ordered 2 sets each of this brand for my 2 boys (8 yo, size XL, and 3 yo, size XS) and will be ordering more of these to wear under clothes for winter and as PJs.
    The material is silky smooth on the outer side with a thin, extremely soft fleece fabric on the inner side. Very stretchy, which is perfect for my 8 year old, who is more the size of a 13 year old. My younger son LOVES the car and firetruck prints!
    Customer image
    monique
    5.0 out of 5 stars Way Better than the Rest!
    Reviewed in the United States on December 14, 2023
    These are the best as far as quality, comfort, fit/sizing! I have bought 6 other brands of base layer sets from target, REI, etc and had to return them all because of poor fit or tiny sizing.
    I ordered 2 sets each of this brand for my 2 boys (8 yo, size XL, and 3 yo, size XS) and will be ordering more of these to wear under clothes for winter and as PJs.
    The material is silky smooth on the outer side with a thin, extremely soft fleece fabric on the inner side. Very stretchy, which is perfect for my 8 year old, who is more the size of a 13 year old. My younger son LOVES the car and firetruck prints!
    Images in this review
    Customer image
  • ERC
    5.0 out of 5 stars 6 yr old loves how cozy and soft they are.
    Reviewed in the United States on October 13, 2022
    As soon as we tried them on my son kept saying how soft and cozy this set was. They are pretty stretchy and lightly lined with fleece on the inside. The color of the green was a little more teal than the picture showed, but we are ok with that. The waist is larger for the size, but somehow stays on my thin 6yr old when wearing the shirt with it. My son wears true to size (6) and we ordered a Small. It fits well enough but there’s plenty of room to grow.
  • Belle
    4.0 out of 5 stars Cozy and weirdly sized
    Reviewed in the United States on October 24, 2022
    I'm so on the fence about how to rate this!
    - My son absolutely loves these. I might buy another pair he loves them so much, BUT . . .
    - My MIL had to take the waist in by INCHES. He's 5 years old, about 42lbs and 44 inches tall (A lean little boy, I know). We got him the small and they fit like jammies. If I do get another pair it will be the XS so they fit better under his clothes.

    The waist was seriously ridiculous and there won't be a time when it won't be. If he's tall enough for the waist, the pants would be capris.

    Comfort is absolutely 5 stars, though. The fleece lining is cozy. Because my son's so lean he gets cold easily during our winters, and he stays toasty warm with these on. So, they do their job very well.

    tl;dr? I love these IF you have someone handy with a needle.
  • Abbey D
    5.0 out of 5 stars Softest, warmest, comfiest
    Reviewed in the United States on January 29, 2024
    The only problem with these is that my 4-yr-old has refused to willingly take them off for a whole week. They are incredibly soft and warm and fit perfectly. (And make a perfect panther costume base, apparently.)
  • Dr. Steve
    5.0 out of 5 stars Great base layer for kids!
    Reviewed in the United States on March 7, 2023
    My 9 yo wore these in 37 degree weather in Tahoe and was plenty warm. These thermals are extremely soft and comfortable, fit true to size, and make a great base layer. For reference, my son is on the small, thin side, 52 inches tall, about 62 pounds, and the mediums fit great with a bit of room to grow. My son loved them so much, now that we are home, he is wearing them for pajamas.
  • Jessica
    3.0 out of 5 stars Sizing off, warm and soft
    Reviewed in the United States on December 25, 2022
    I bought two pairs. One for my 4.5 year old and one for my 2 year old. I bought an XXS for the 2 year old and a S for my 4.5 year old who is tall for his age. He wears a 5-6 size. In both sets, the shirt fit as expected but in both sets the pants were two sizes too big. The XXS pants could fit my 4.5 year olds waist but definitely too short. I was able to take a thread and tighten them so that when they do grow into them (hopefully next season), they’ll fit and I can clip the thread. For the price, I would expect the sizing to be correct. They are warm and very soft and I love that they come in patterns to appeal to kids instead of solid colors like most thermals.

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