Arctic Hero Boys' Thermal Underwear - 4 Piece Waffle Knit Top and Long John Set (Size: 2-18)
Arctic Hero Boys' Thermal Underwear - 4 Piece Waffle Knit Top and Long John Set (Size: 2-18)
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Arctic Hero

Arctic Hero Boys' Thermal Underwear - 4 Piece Waffle Knit Top and Long John Set (Size: 2-18)

421 ratings
Arctic Hero Boys' Thermal Underwear - 4 Piece Waffle Knit Top and Long John Set (Size: 2-18)Arctic 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 18Arctic Hero Boys Thermal Underwear 4 Piece Waffle Knit Top and Long John Set Size 2 18

Key item features

  • Warm Base Layer: This 4-piece boys' thermal underwear set, including a waffle knit top and long johns, provides all-day warmth as a reliable base layer for chilly days.
  • Comfortable Stretch: The thermal shirts and matching waffle pants offer skin-friendly comfort with just the right amount of stretch, staying put and feeling soft throughout the day.
  • Versatile Styling: The clean crewneck design allows for easy mix-and-match styling, suitable for layering under jackets or wearing solo, with a subtle waffle knit texture.
  • Durable Easy-Care: Built to last, the waffle knit fabric resists pilling and shrinking through repeated washes, maintaining its shape and fresh look wear after wear.
  • All-Season Wear: Designed for year-round use, this breathable yet insulating set adapts to changing climates, functioning as a thermal undershirt in winter or a solo top in transitional weather.
  • Flexible Durability: This waffle-knit duo offers a balance of flexibility and durability, moving naturally through play and daily activities for toddlers and older children.
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Customer ratings & reviews

4 out of 5 stars
stars
421 ratings119 reviews
How item rating is calculated
  1. 5 stars63% (266)
  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?47NMYCWX0JQB1760593694
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?47NMYCWX0JQB1760593694
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?47NMYCWX0JQB1760593694
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