Kids' Clothing>Kids' Underwear - REI Co-op

😍Anniversary Sale✨UP TO 80% OFF！ Free Shipping Over $70🎁

USD

USD($)

0

Home
Brands
- Top Brands
  - Arc'teryx
  - KUHL
  - Black Diamond
  - Garmin
  - HOKA
  - La Sportiva
  - Osprey
  - Patagonia
  - Salomon
  - Smartwool
  - The North Face
  - Thule
- Trending Brands
  - prAna
  - Brooks
  - Cotopaxi
  - Danner
  - Dometic
  - Electra
  - Janji
  - On
  - Snow Peak
  - Stanley
  - Vuori
  - Thousand
- Member Favorites
  - Yakima
  - Big Agnes
  - Cannondale
  - Darn Tough
  - Fjallraven
  - Exped
  - Gregory
  - Keen
  - Merrell
  - NEMO
  - Oboz
  - Sea to Summit
Best Selling
Camping & Hiking
Climbing
Cycling
Water
Fitness
Snow
Travel
Footwear
Men
Women
Kids

Home
Brands
- Top Brands
  - Arc'teryx
  - KUHL
  - Black Diamond
  - Garmin
  - HOKA
  - La Sportiva
  - Osprey
  - Patagonia
  - Salomon
  - Smartwool
  - The North Face
  - Thule
- Trending Brands
  - prAna
  - Brooks
  - Cotopaxi
  - Danner
  - Dometic
  - Electra
  - Janji
  - On
  - Snow Peak
  - Stanley
  - Vuori
  - Thousand
- Member Favorites
  - Yakima
  - Big Agnes
  - Cannondale
  - Darn Tough
  - Fjallraven
  - Exped
  - Gregory
  - Keen
  - Merrell
  - NEMO
  - Oboz
  - Sea to Summit
Best Selling
Camping & Hiking
Climbing
Cycling
Water
Fitness
Snow
Travel
Footwear
Men
Women
Kids

Home
Woman
New
Tops
Dresses
Sale

USD

USD($)

Home / Kids' Clothing>Kids' Underwear

Kids' Clothing>Kids' Underwear

Clear all

filter

Kids' Base Layer Tops Kids' Underwear>Kids' Base Layer Tops Kids' Base Layer Bottoms Kids' Underwear Kids' Underwear>Kids' Base Layer Bottoms Kids' Clothing>Kids' Underwear Kids' Clothing Best Selling

Filter

Filter

Sort by

Best selling Featured Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, old to new Date, new to old

filter

Kids' Base Layer Tops Kids' Underwear>Kids' Base Layer Tops Kids' Base Layer Bottoms Kids' Underwear Kids' Underwear>Kids' Base Layer Bottoms Kids' Clothing>Kids' Underwear Kids' Clothing Best Selling

Clear all

APPLY

30 Products

Sort by

Threads 4 Thought Base Layer Set - Kids'

Threads 4 Thought Base Layer Set - Kids'

Threads 4 Thought Base Layer Set - Kids'

$ 15.00 $ 75.00

ADD TO CART

The North Face DotKnit Thermal Base Layer Set - Toddlers'

The North Face DotKnit Thermal Base Layer Set - Toddlers'

The North Face DotKnit Thermal Base Layer Set - Toddlers'

$ 14.00 $ 70.00

ADD TO CART

The North Face DotKnit Thermal Base Layer Set - Kids'

The North Face DotKnit Thermal Base Layer Set - Kids'

The North Face DotKnit Thermal Base Layer Set - Kids'

$ 16.00 $ 80.00

ADD TO CART

tasc Performance Elevation Merino Fusion Base Layer Set - Kids'

tasc Performance Elevation Merino Fusion Base Layer Set - Kids'

tasc Performance Elevation Merino Fusion Base Layer Set - Kids'

$ 18.80 $ 94.00

ADD TO CART

Smartwool Classic Thermal Merino Pattern Crew Base Layer Top - Kids'

Smartwool Classic Thermal Merino Pattern Crew Base Layer Top - Kids'

Smartwool Classic Thermal Merino Pattern Crew Base Layer Top - Kids'

$ 12.00 $ 60.00

ADD TO CART

Smartwool Classic Thermal Merino Pattern Base Layer Bottoms - Kids'

Smartwool Classic Thermal Merino Pattern Base Layer Bottoms - Kids'

Smartwool Classic Thermal Merino Pattern Base Layer Bottoms - Kids'

$ 12.00 $ 60.00

ADD TO CART

Smartwool Classic Thermal Merino Crew Base Layer Top - Kids'

Smartwool Classic Thermal Merino Crew Base Layer Top - Kids'

Smartwool Classic Thermal Merino Crew Base Layer Top - Kids'

$ 9.75 $ 48.73

ADD TO CART

Smartwool Classic Thermal Merino Base Layer Zip T - Kids'

Smartwool Classic Thermal Merino Base Layer Zip T - Kids'

Smartwool Classic Thermal Merino Base Layer Zip T - Kids'

$ 14.00 $ 70.00

ADD TO CART

Smartwool Classic Thermal Merino Base Layer Bottoms - Kids'

Smartwool Classic Thermal Merino Base Layer Bottoms - Kids'

Smartwool Classic Thermal Merino Base Layer Bottoms - Kids'

$ 12.00 $ 60.00

ADD TO CART

Smartwool Classic Thermal Merino Base Layer Bottoms - Kids'

Smartwool Classic Thermal Merino Base Layer Bottoms - Kids'

Smartwool Classic Thermal Merino Base Layer Bottoms - Kids'

$ 13.00 $ 65.00

ADD TO CART

REI Co-op Midweight Crew Base Layer Top - Toddlers'

REI Co-op Midweight Crew Base Layer Top - Toddlers'

REI Co-op Midweight Crew Base Layer Top - Toddlers'

$ 4.99 $ 24.95

ADD TO CART

REI Co-op Midweight Crew Base Layer Top - Kids'

REI Co-op Midweight Crew Base Layer Top - Kids'

REI Co-op Midweight Crew Base Layer Top - Kids'

$ 6.99 $ 34.95

ADD TO CART

REI Co-op Midweight Base Layer Zip-Neck Top - Kids'

REI Co-op Midweight Base Layer Zip-Neck Top - Kids'

REI Co-op Midweight Base Layer Zip-Neck Top - Kids'

$ 7.99 $ 39.95

ADD TO CART

REI Co-op Midweight Base Layer Crew Top - Kids'

REI Co-op Midweight Base Layer Crew Top - Kids'

REI Co-op Midweight Base Layer Crew Top - Kids'

$ 6.99 $ 34.95

ADD TO CART

REI Co-op Midweight Base Layer Bottoms - Toddlers'

REI Co-op Midweight Base Layer Bottoms - Toddlers'

REI Co-op Midweight Base Layer Bottoms - Toddlers'

$ 4.99 $ 24.95

ADD TO CART

REI Co-op Midweight Base Layer Bottoms - Kids'

REI Co-op Midweight Base Layer Bottoms - Kids'

REI Co-op Midweight Base Layer Bottoms - Kids'

$ 6.99 $ 34.95

ADD TO CART

REI Co-op Midweight Base Layer Bottoms - Kids'

REI Co-op Midweight Base Layer Bottoms - Kids'

REI Co-op Midweight Base Layer Bottoms - Kids'

$ 6.99 $ 34.95

ADD TO CART

REI Co-op Merino Midweight Base Layer Crew Top - Kids'

REI Co-op Merino Midweight Base Layer Crew Top - Kids'

REI Co-op Merino Midweight Base Layer Crew Top - Kids'

$ 9.99 $ 49.95

ADD TO CART

REI Co-op Merino Midweight Base Layer Bottoms - Kids'

REI Co-op Merino Midweight Base Layer Bottoms - Kids'

REI Co-op Merino Midweight Base Layer Bottoms - Kids'

$ 9.99 $ 49.95

ADD TO CART

REI Co-op Lightweight Crew Base Layer Top - Kids'

REI Co-op Lightweight Crew Base Layer Top - Kids'

REI Co-op Lightweight Crew Base Layer Top - Kids'

$ 5.99 $ 29.95

ADD TO CART

REI Co-op Lightweight Crew Base Layer Top - Infants'/Toddlers'

REI Co-op Lightweight Crew Base Layer Top - Infants'/Toddlers'

REI Co-op Lightweight Crew Base Layer Top - Infants'/Toddlers'

$ 3.99 $ 19.95

ADD TO CART

REI Co-op Lightweight Base Layer Crew Top - Kids'

REI Co-op Lightweight Base Layer Crew Top - Kids'

REI Co-op Lightweight Base Layer Crew Top - Kids'

$ 5.99 $ 29.95

ADD TO CART

REI Co-op Lightweight Base Layer Bottoms - Kids'

REI Co-op Lightweight Base Layer Bottoms - Kids'

REI Co-op Lightweight Base Layer Bottoms - Kids'

$ 5.99 $ 29.95

ADD TO CART

REI Co-op Lightweight Base Layer Bottoms - Infants'/Toddlers'

REI Co-op Lightweight Base Layer Bottoms - Infants'/Toddlers'

REI Co-op Lightweight Base Layer Bottoms - Infants'/Toddlers'

$ 3.99 $ 19.95

ADD TO CART

1 2

Company Info

Company Info

About Us
Contact Us
Customer Reviews

Service Center

Service Center

Shipping policy
Return policy
Terms of service
Privacy policy

Quick Links

Quick Links

Search
Login
Register
Tracking Order

@2025 REI Co-op. All Rights Reserved.

USD

USD($)

Shopping Cart