Where to Buy
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Here's what other sites are saying:
The soft and thick REI Expedition MTS Stretch Zip Mock T-neck is our warmest thermal top! This expedition-weight long underwear is an excellent first layer for activities in extreme cold. Quick-drying, moisture-wicking polyester microfleece keeps your child warm; natural stretch increases comfort. Superior-quality microfleece is non-pilling so garment maintains a nice appearance. Zip neck allows you to control ventilation; zipper has soft backing to prevent chafing. Raglan sleeves enhance fit, allowing freedom of movement.
REI Expedition-Weight MTS Tuff Stretch Zip-T
REI Expedition MTS Stretch Crew
REI Midweight MTS Zip T-Neck
REI Midweight MTS Long-Sleeve Crew
REI Heavyweight Crew Long Underwear Top
Patagonia Capilene 1 Silkweight Crew
$16 - $39
Columbia Baselayer Midweight Mock Neck Long Sleeve
Smartwool Midweight Zip T
$39 - $65