How to Choose Base Layers

This product is not available.
Layer your hiking pal with the REI Co-op Lightweight base layer bottoms for kids. Designed for warmth, these bottoms are easy to pull on and wick moisture for comfort.
Shop similar productsImported.
View all REI Co-op Kids' Base Layer Bottoms| Best Use | Multisport |
|---|---|
| Fabric | 82% polyester/18% spandex (bluesign®-approved) |
| Sun-Protective Fabric | Yes |
| UPF Rating | 50 |
| Moisture Wicking | Yes |
| Quick Drying | Yes |
| Underwear Weight | Lightweight |
| Gender | Kids' |
| Sustainability | Fair Trade Certified™ Factory Contains materials that meet the bluesign® criteria From a Climate Label Certified brand |
Adding a review will require a valid email for verification
I regularly buy kids clothing instead of women's clothing due to the price difference and these did not disappoint. They are so soft, have the perfect amount of stretch and were a great base layer under my fleece pants in the cold Colorado mountains.
I like these pull-on pants but they are not warm enough for winter, better for lounge wear when it's warmer weather. Silky and comfortable.
Got these for my 6 year old son. They run true to size. He has worn them as a baselayer for winter camping and they keep him cozy warm. These are SO SOFT. He is always reaching for these to wear as pajamas at home. Super happy with this purchase.
Very soft! I like them so much I grabbed a second pair in another color.
Comfortable, versatile, great pattern and fit. We love it!
Good, but runs small. Seems like the quality is there.
Comfortable, soft and beautiful
My son loves these base layers!
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.

