A thermal base layer that wicks for warmth, the kids' REI Co-op Midweight base layer bottoms help keep them comfortable for all-day exploring and adventuring in colder weather.
- Durable recycled polyester/spandex blend fabric is soft and sweat-wicking
- 257 g/m2 fabric weight offers midweight warmth
- UPF 50+ sun protection
- Low-profile waistband keeps kids comfortable as they move
- Designed to hug the body for optimum performance
- Soft, durable flatlock seams are smooth and comfortable
- Size S Kids has an inseam length of 21.75 in.
- Size M (10–12) Kids has a weight of 5.1 oz. (144 g)
- Machine wash separately in cold, gentle cycle, remove promptly; do not use bleach or fabric softeners; tumble dry low
- Note: not intended for sleepwear
- REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon credits
- Contains materials that meet the bluesign® criteria
Imported.
View all REI Co-op Kids' Base Layer Bottoms| Best Use | Multisport |
|---|---|
| Fabric | 87% recycled polyester/13% spandex (bluesign approved) |
| Sun-Protective Fabric | Yes |
| UPF Rating | 50 |
| Moisture Wicking | Yes |
| Underwear Weight | Midweight |
| Inseam (in.) | 21.75 inches |
| Gender | Kids' |
| Sustainability | Contains materials that meet the bluesign® criteria Contains recycled materials From a Climate Neutral Certified brand |
REI Co-op Clothing - Unisex Kids'
| XXS | XS | S | M | L | XL | |
|---|---|---|---|---|---|---|
| Numerical Size | 5 | 6-7 | 8 | 10 | 12 | 14 |
| Height Range | 45 | 47 1/2 - 50 | 52 | 57 | 61 1/2 | 65 1/2 |
| Across Shoulder | 11 | 12 1/4 | 13 | 13 1/2 | 14 | 14 3/4 |
| Chest | 23 | 24 - 25 | 26 - 27 | 28 - 29 1/2 | 30 1/2 - 31 1/2 | 32 - 33 |
| Sleeve Length | 21 | 22 - 23 1/2 | 24 - 25 | 26 - 27 | 27 1/2 - 28 1/2 | 29 1/4 - 30 1/4 |
| Waist | 21 1/4 | 22 - 23 | 24 - 25 | 26 - 27 | 27 1/2 - 28 1/2 | 28 3/4 - 29 3/4 |
| Hip | 23 3/4 | 24 1/4 - 26 1/4 | 27 - 28 | 29 - 31 | 32 - 33 | 34 - 35 |
| Inseam | 19 | 21 - 22 3/4 | 23 - 24 | 25 - 26 1/2 | 27 - 29 | 29 1/2 - 30 1/2 |
Sizing Notes
Measurements are stated in inches unless otherwise indicated.
Inseam is measured to the floor.