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Boy's Thermal Set

Regular price $24.99 ~~$39.99~~ | Save $15.00 (37% off)

boys

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Boy's Thermal Set

Best Seller

Equip your young adventurer with Thermajohn's boys' thermal sets. Designed to enhance mobility during winter play, these sets ensure he moves freely while staying comfortably warm. The snug fit layers effortlessly under other clothing, making chilly days a breeze. With Thermajohn, every winter activity becomes a cozy adventure.

Boy's Thermal Set

Regular price $24.99 ~~$39.99~~ | Save $15.00 (37% off)

Size Chart
How to measure

Size	US Size	Chest	Waist	Inseam
XS	5-6	22	19	20
S	6-7	24	20	20 1/2
M	7-8	28	21	21
L	9-10	31	22	21 1/2
XL	11-12	33	23	22

Equip your young adventurer with Thermajohn's boys' thermal sets. Designed to enhance mobility during winter play, these sets ensure he moves freely while staying comfortably warm. The snug fit layers effortlessly under other clothing, making chilly days a breeze. With Thermajohn, every winter activity becomes a cozy adventure.

Product Details

Heat Retention - Stay Warm
Ultra Soft - Comfy Wear
4 Way Stretch - Move Freely
Breathable Fabric - Feel Fresh
Moisture Wicking - Keeps You Dry
Base Layer - Goes Right Under

Materials & Care

92% Polyester 8% Spandex

Machine wash cold, inside out, with like colors. Tumble dry on low. Use a cool iron if necessary.

Boy's Thermal Set

White / XS - $24.99

Heat
Retention

Fleece
Lining

4-Way
Stretch

Moisture
Wicking

Light
Weight

Elastic
Waistband

Look Good and Feel Good

Whether you’re looking for a base layer to wear outside this winter or for a cozy set to wear at home, our thermals are the perfect choice.

Heat Retention

Our thermal technology retains your body heat for ultimate warmth.

Ultra Soft Fleece

Designed with a fleece lining & quality material, will keep you feeling comfortable throughout the day.

4-Way Stretch

Our womens thermal underwear retains your body heat for ultimate warmth.

As Featured In

"You'll thank yourself when you're the coziest person on the slopes or even just at home"

"The best overall thermal underwear, we are in love with these thermals"

"Cold temperatures don’t seem so bad with this pair of thermal underwear"

"You don't have to let winter win this year thanks to how warm and cozy it is"

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