Make your tot’s base layer the warm, breathable, toddlers’ REI Co-op Midweight Crew long underwear top and they’ll play happily outside all day. It’s great on its own for inside play, too.
Features
- Made of a durable yet soft polyester/spandex blend fabric that wicks sweat and dries fast
- Odor control treatment regenerates between launderings
- Flatseam construction, raglan sleeves and side gussets are comfortable as you move
- Extended back hem stays tucked in when you lean forward
- Envelope head opening allows for easy on-off
- UPF 50 sun protection
- Made using bluesign®-approved materials, which conserve resources and protect the health of the environment, workers and wearer (your kid!)
- bluesign®-certified fabric; learn more about this sustainability standard at REI.com/stewardship
Imported.
Technical Specs
| Best Use |
Multisport |
|---|---|
| Shirt Type |
T-shirt |
| Fabric |
89% polyester/11% spandex (bluesign®-approved) |
| Sun-Protective Fabric |
Yes |
| UPF Rating |
50 |
| Moisture Wicking |
Yes |
| Quick Drying |
Yes |
| Underwear Weight |
Midweight |
| Sleeve Length |
Long Sleeve |
| Gender |
Toddlers’ |
| Sustainability |
Fair Trade Certified™ factory Contains materials that meet the bluesign® criteria |
Size Chart
| 3 MO | 6 MO | 12 MO | 18 MO | 2 T | 3 T | 4 T | |
|---|---|---|---|---|---|---|---|
| Height Range | 24 | 27 | 30.5 | 33 | 35 | 38 | 41 |
| Weight Range | 6-10 lbs. | 10-15 lbs. | 15-20 lbs. | 20-25 lbs. | 28-32 lbs. | 32-35 lbs. | 35-40 lbs. |
| Chest | 17 | 18 | 19 | 19.75 | 20.5 | 21 | 22 |
| Waist | 17.5 | 18.5 | 19.5 | 20.25 | 21 | 2.5 | 22 |
| Hip | 17.5 | 18.5 | 19.5 | 20.25 | 21 | 22 | 23 |
| Inseam | 8.5 | 10 1/8 | 12 | 13 3/8 | 14 | 15 5/8 | 17 1/8 |
Sizing Notes
Measurements are stated in inches unless otherwise indicated.























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