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Kids Thermal Underwear

(31 products)

Products (31)

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Colors

REI Co-opMidweight Long Underwear Bottoms - Kids'

$34.95
2 reviews with an average rating of 5.0 out of 5 stars
Colors

REI Co-opMidweight Crew Long Underwear Top - Kids'

$34.95
10 reviews with an average rating of 3.8 out of 5 stars
Colors
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Top - Kids'

$65.93
Save 30%
compared to $95.00

18 reviews with an average rating of 4.8 out of 5 stars
Icebreaker260 Tech Thermal Base Layer Leggings - Kids'

$70.00
2 reviews with an average rating of 5.0 out of 5 stars
SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'

$41.93
Save 40%
compared to $70.00

2 reviews with an average rating of 4.5 out of 5 stars
Colors
REI Outlet
Threads 4 ThoughtBase Layer Set - Toddlers'

$42.73
Save 38%
compared to $70.00

0 reviews
REI Outlet
The North FaceTeen Printed Waffle Base Layer Set - Kids'

$44.73
Save 24%
compared to $59.00

1 reviews with an average rating of 5.0 out of 5 stars
Colors

REI Co-opLightweight Crew Long Underwear Top - Kids'

$29.95
3 reviews with an average rating of 5.0 out of 5 stars
Colors

REI Co-opMerino Midweight Base Layer Bottoms - Kids'

$49.95
6 reviews with an average rating of 4.3 out of 5 stars
Colors

REI Co-opMidweight Long Underwear Bottoms - Toddlers'

$24.95
2 reviews with an average rating of 5.0 out of 5 stars
Colors

REI Co-opLightweight Crew Long Underwear Top - Infants'/Toddlers'

$19.95
2 reviews with an average rating of 5.0 out of 5 stars
Colors

REI Co-opMidweight Crew Long Underwear Top - Toddlers'

$24.95
3 reviews with an average rating of 5.0 out of 5 stars
Colors

REI Co-opLightweight Long Underwear Bottoms - Kids'
$17.93 - $29.95

2 reviews with an average rating of 5.0 out of 5 stars
Colors

REI Co-opLightweight Long Underwear Bottoms - Infants'/Toddlers'

$19.95
1 reviews with an average rating of 5.0 out of 5 stars
Colors
Top Rated
REI Co-opMerino Midweight Base Layer Top - Kids'

$49.95
15 reviews with an average rating of 4.7 out of 5 stars
Colors
REI Outlet
Threads 4 ThoughtBase Layer Set - Kids'

$49.73
Save 33%
compared to $75.00

3 reviews with an average rating of 2.3 out of 5 stars
Colors
REI Outlet
tasc PerformanceElevation Merino Fusion Base Layer Set - Kids'

$69.73
Save 25%
compared to $94.00

3 reviews with an average rating of 2.0 out of 5 stars
Colors
Top Rated
Icebreaker200 Oasis Base Layer Leggings - Kids'

$41.93
Save 30%
compared to $60.00

68 reviews with an average rating of 4.8 out of 5 stars
REI Outlet
OdloActive X-Warm Long-Sleeve Base Layer Top - Kids'

$41.73
Save 24%
compared to $55.00

1 reviews with an average rating of 5.0 out of 5 stars
Colors
REI Outlet
OdloActive Warm Eco Long-Sleeve Base Layer Top - Toddlers'/Kids'

$29.73
Save 25%
compared to $40.00

1 reviews with an average rating of 5.0 out of 5 stars
Colors

BurtonFleece Base Layer Set - Kids'

$60.00
0 reviews
REI Outlet
ObermeyerClara Quarter-Zip Base Layer Top - Girls'

$49.73
Save 37%
compared to $79.50

0 reviews
REI Outlet
OdloRoyale Half-Zip Mid Layer Top - Kids'

$29.73
Save 25%
compared to $40.00

0 reviews
PatagoniaCapilene Midweight Base Layer Bottoms - Infants'

$16.93
Save 41%
compared to $29.00

0 reviews
Colors
Top Rated
Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'

$41.93
Save 30%
compared to $60.00

116 reviews with an average rating of 4.8 out of 5 stars
Colors

PatagoniaCapilene Midweight Base Layer Bottoms - Kids'

$22.93
Save 41%
compared to $39.00

4 reviews with an average rating of 1.8 out of 5 stars
Colors

ObermeyerClara Quarter-Zip Base Layer Top - Girls'

$79.50
0 reviews
Colors

ObermeyerCourtnay Base Layer Leggings - Girls'

$59.50
0 reviews
Colors
Top Rated
The North FaceWaffle Base Layer One-Piece - Infants'

$45.00
5 reviews with an average rating of 5.0 out of 5 stars
Colors
REI Outlet
tasc PerformanceElevation Merino Fusion Base Layer Set - Toddlers'

$54.73
Save 27%
compared to $76.00

0 reviews

Get the latest deals, news, & more from REI Co-op!

Kids Thermal Underwear

REI Co-opMidweight Long Underwear Bottoms - Kids'

REI Co-opMidweight Crew Long Underwear Top - Kids'

IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Top - Kids'

Icebreaker260 Tech Thermal Base Layer Leggings - Kids'

SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'

Threads 4 ThoughtBase Layer Set - Toddlers'

The North FaceTeen Printed Waffle Base Layer Set - Kids'

REI Co-opLightweight Crew Long Underwear Top - Kids'

REI Co-opMerino Midweight Base Layer Bottoms - Kids'

REI Co-opMidweight Long Underwear Bottoms - Toddlers'

REI Co-opLightweight Crew Long Underwear Top - Infants'/Toddlers'

REI Co-opMidweight Crew Long Underwear Top - Toddlers'

REI Co-opLightweight Long Underwear Bottoms - Kids'

REI Co-opLightweight Long Underwear Bottoms - Infants'/Toddlers'

REI Co-opMerino Midweight Base Layer Top - Kids'

Threads 4 ThoughtBase Layer Set - Kids'

tasc PerformanceElevation Merino Fusion Base Layer Set - Kids'

Icebreaker200 Oasis Base Layer Leggings - Kids'

OdloActive X-Warm Long-Sleeve Base Layer Top - Kids'

OdloActive Warm Eco Long-Sleeve Base Layer Top - Toddlers'/Kids'

BurtonFleece Base Layer Set - Kids'

ObermeyerClara Quarter-Zip Base Layer Top - Girls'

OdloRoyale Half-Zip Mid Layer Top - Kids'

PatagoniaCapilene Midweight Base Layer Bottoms - Infants'

Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'

PatagoniaCapilene Midweight Base Layer Bottoms - Kids'

ObermeyerClara Quarter-Zip Base Layer Top - Girls'

ObermeyerCourtnay Base Layer Leggings - Girls'

The North FaceWaffle Base Layer One-Piece - Infants'

tasc PerformanceElevation Merino Fusion Base Layer Set - Toddlers'

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REI Co-opMidweight Long Underwear Bottoms - Kids'

REI Co-opMidweight Crew Long Underwear Top - Kids'

IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Top - Kids'

Icebreaker260 Tech Thermal Base Layer Leggings - Kids'

SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'

Threads 4 ThoughtBase Layer Set - Toddlers'

The North FaceTeen Printed Waffle Base Layer Set - Kids'

REI Co-opLightweight Crew Long Underwear Top - Kids'

REI Co-opMerino Midweight Base Layer Bottoms - Kids'

REI Co-opMidweight Long Underwear Bottoms - Toddlers'

REI Co-opLightweight Crew Long Underwear Top - Infants'/Toddlers'

REI Co-opMidweight Crew Long Underwear Top - Toddlers'

REI Co-opLightweight Long Underwear Bottoms - Kids'

REI Co-opLightweight Long Underwear Bottoms - Infants'/Toddlers'

REI Co-opMerino Midweight Base Layer Top - Kids'

Threads 4 ThoughtBase Layer Set - Kids'

tasc PerformanceElevation Merino Fusion Base Layer Set - Kids'

Icebreaker200 Oasis Base Layer Leggings - Kids'

OdloActive X-Warm Long-Sleeve Base Layer Top - Kids'

OdloActive Warm Eco Long-Sleeve Base Layer Top - Toddlers'/Kids'

BurtonFleece Base Layer Set - Kids'

ObermeyerClara Quarter-Zip Base Layer Top - Girls'

OdloRoyale Half-Zip Mid Layer Top - Kids'

PatagoniaCapilene Midweight Base Layer Bottoms - Infants'

Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'

PatagoniaCapilene Midweight Base Layer Bottoms - Kids'

ObermeyerClara Quarter-Zip Base Layer Top - Girls'

ObermeyerCourtnay Base Layer Leggings - Girls'

The North FaceWaffle Base Layer One-Piece - Infants'

tasc PerformanceElevation Merino Fusion Base Layer Set - Toddlers'