Arctic Hero Boys Thermal Underwear Waffle Knit Top and Long Johns Underwear Set 4 Piece (2-18), 3T Grey/Royal
Arctic Hero Boys Thermal Underwear Waffle Knit Top and Long Johns Underwear Set 4 Piece (2-18), 3T Grey/Royal
Hero image 0 of Arctic Hero Boys Thermal Underwear Waffle Knit Top and Long Johns Underwear Set 4 Piece (2-18), 3T Grey/Royal, 0 of 7
Arctic Hero

Arctic Hero Boys Thermal Underwear Waffle Knit Top and Long Johns Underwear Set 4 Piece (2-18), 3T Grey/Royal

420 ratings
Arctic Hero Boys Thermal Underwear Waffle Knit Top and Long Johns Underwear Set 4 Piece (2-18), 3T Grey/RoyalArctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18
ColorGrey/Royal
Clothing Size3T

Key item features

  • Warm Base Layer: This boys' thermal underwear set provides all-day warmth, featuring a soft waffle knit top and long johns designed as a reliable, breathable, and lightweight base layer.
  • Comfortable Stretch: The thermal set includes a classic crewneck long sleeve shirt and matching waffle pants, offering skin-friendly comfort with just the right amount of stretch for active days.
  • Versatile Layering: The thermal clothes set can be mixed and matched, worn on its own, or layered under jackets and sweaters, with a clean crewneck design for easy integration into any wardrobe.
  • Durable Fabric Care: Made to handle repeated washes, the waffle knit fabric resists pilling and shrinking, ensuring the thermal long sleeve shirt maintains its shape and softness wear after wear.
  • Everyday Comfort: Designed for active kids, this two-piece set offers a comfortable fit that moves naturally, providing dependable comfort and effortless style for school, home, or outdoor play.
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Customer ratings & reviews

4 out of 5 stars
stars
420 ratings119 reviews
How item rating is calculated
  1. 5 stars63% (265)
  2. 4 stars10% (41)
  3. 3 stars6% (27)
  4. 2 stars6% (27)
  5. 1 star14% (60)

Reviews summary

Pros

  • : Provides warmth while allowing airflow.
  • : Can be worn under various clothing types.

Neutral

  • : Can be excellent, but also prone to shrinkage and inconsistencies.

Cons

  • : Runs smaller than expected sizes, may not fit as anticipated.
  • : Fits smaller after washing, loses size and shape.
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Showing 1-3 of 119 reviews

Mar 14, 2026
Reviewer name: Nillea
Item details
Color: Navy/Charcoal
Clothing size: 7
Sold byAll Brands NYCDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Love them

I was extremely hard finding thermal sets for my toddler this year. Was amazed to find some great quality and great priced ones on Walmart. Great material and a must have .. I will buy definitely be purchasing more.

Helpful?47NMYCWX0JQB1467887134
Jan 16, 2026
Reviewer name: Annie
Item details
Color: Black/Ecru
Clothing size: 16-18
Sold byAll Brands NYCDelivered byWalmart
3 out of 5 stars
3 out of 5 stars review

Verified Purchase

The reason for my low ratings is due to the inaccurate size. They run very small, I originally ordered it for my grandson, however ; I gave it to my nephew whereas he's nine and my grandsons are 12.

Helpful?47NMYCWX0JQB1467887134
Nov 28, 2025
Reviewer name: Jessica
Top Reviewer
Item details
Color: Black/Ecru
Clothing size: 16-18
Sold byAll Brands NYCDelivered byWalmart
2 out of 5 stars
2 out of 5 stars review

Verified Purchase

Too small!

Size runs small. I would recommend them if the size was not such a big difference. If you order the actual size worn by the individual it was meant for it is useless, not just tight but TOO SMALL. Like them very much other than that. They are soft and warm feeling, but I am left wondering what size would fit, Two sizes up, three sizes bigger? No clue?

Helpful?47NMYCWX0JQB1467887134
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4.361702127659575 stars out of 5, based on 3998 seller reviews(4.4)
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