REI Co-op Lightweight Crew Base Layer Top - Kids'
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Start layering your littles with the kids' warm, breathable REI Co-op Lightweight Crew base layer top. It features a made-to-move design and all of the comfy for a day of play.
Shop similar products- Polyester/spandex blend fabric is soft, fast drying and sweat-wicking
- Odor-control treatment regenerates between laundry days
- Thumbholes keep hands covered and sleeves in place
- Soft, durable seams are smooth to the touch
- UPF 50 sun protection
- Contains materials that meet the bluesign® criteria
- REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
Imported.
View all REI Co-op Kids' Base Layer TopsBest Use | Multisport |
---|---|
Shirt Type | T-shirt |
Fabric | 82% polyester/18% spandex (bluesign approved) |
Sun-Protective Fabric | Yes |
UPF Rating | 50 |
Moisture Wicking | Yes |
Quick Drying | Yes |
Underwear Weight | Lightweight |
Sleeve Length | Long Sleeve |
Thumbholes | Yes |
Gender | Kids' |
Sustainability | Contains materials that meet the bluesign® criteria From a Climate Label Certified brand |
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. Size chart values represent body measurements, not garment measurements.
Inseam is measured to the floor.
Better gear is built together
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.

