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)

420 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

  • Premium Quality: This 4-piece thermal underwear set for boys includes a long-sleeve t-shirt and matching sweatpants, crafted from high-quality, extra warm waffle-knit fabric, ideal for layering or relaxing during winter.
  • Comfortable Thermal: The long-sleeve thermal t-shirt offers maximum comfort and warmth, featuring a soft waffle knit that is skin-friendly and essential for cold weather.
  • Flexible Sweatpants: Matching thermal joggers are designed with skin-friendly fabric and an elastic waistband for comfort and unrestricted movement, perfect as a base layer in autumn and winter.
  • Retains Warmth: This complete thermal set is designed to retain warmth, ensuring the wearer stays snug and comfortable, quickly becoming a favorite outfit.
  • Easy Maintenance: The thermal set is machine washable and can be tumble dried, simplifying care and maintenance.
  • Soft Fabric: Made with super-soft cotton fabric and safe dyes, this thermal underwear is gentle on sensitive skin and free from harsh chemicals.
  • Enhanced Movement: The extra soft thermal knit fabric stretches with movement, providing complete freedom and flexibility.
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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?47NMYCWX0JQB1167733769
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?47NMYCWX0JQB1167733769
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?47NMYCWX0JQB1167733769
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