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How to Choose Hiking Underwear
Your choice of underwear can have a big impact on your comfort while hiking. Learn what fabric, style, fit and features to look for.
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Smartwool Kids' Underwear
(7 products)Products (7)
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- REI Outlet
SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'
$51.73Save 26%compared to $70.00 - ColorsTop Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
$65.00 - ColorsREI Outlet
SmartwoolClassic Thermal Merino Pattern Base Layer Bottoms - Kids'
$44.73Save 25%compared to $60.00 - Colors
SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'
$75.00 - ColorsTop Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'
$65.00 - ColorsREI Outlet
SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
$44.73Save 25%compared to $60.00 - ColorsREI Outlet
SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'
$44.73Save 25%compared to $60.00
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Related Expert Advice articles
How to Choose Base Layers
Choosing the right underwear (base layer) is essential—learn how moisture-wicking materials, fabric weight and fit affect comfort in the outdoors.
Layering Basics
Learn the basics of layering clothing so you can stay comfortable outdoors. Includes info on base layers, middle layers and shell layers.