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Long Sleeve Base Layers
(214 products)Products (214)
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REI Co-opMidweight Crew Long Underwear Top - Kids'
$16.83 - $34.95 - ColorsTop Rated
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's
$27.93 - $39.95 - ColorsREI Outlet
Kari TraaSilja Base Layer Top - Women's
$89.73Save 25%compared to $120.00 - ColorsTop Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes
$26.83 - $89.95 - ColorsNew arrival
IcebreakerMerino 260 Vertex Long-Sleeve Half-Zip Herenga Base Layer Top - Women's
$150.00 - ColorsTop Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$23.83 - $59.95 - Colors
SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
$59.83 - $130.00 - ColorsTop Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes
$23.83 - $79.95 - Colors
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
$79.95 - REI Outlet
IcebreakerBodyfitZone Merino 150 Zone Long-Sleeve Crewe Thermal Top - Men's
$78.73Save 25%compared to $105.00 - ColorsTop Rated
Arc'teryxRho Lightweight Hoodie Base Layer Top - Women's
$130.00 - ColorsTop Rated
REI Co-opLightweight Crew Long Underwear Top - Infants'/Toddlers'
$19.95 - New arrival
ArtilectFlatiron 185 Base Layer Crew Top - Women's
$160.00 - ColorsTop Rated
Icebreaker200 Oasis Crew Top - Men's
$35.83 - $105.00 - Colors
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Women's
$27.93 - $39.95 - ColorsTop Rated
PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$39.83 - $79.00 - ColorsTop Rated
REI Co-opLightweight Base Layer Half-Zip Top - Women's
$29.93 - $44.95 - ColorsTop Rated
REI Co-opLightweight Base Layer Half-Zip Top - Men's
$29.93 - $44.95 - Colors
REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
$32.83 - $54.95 - ColorsTop Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95 - Colors
REI Co-opMidweight Long-Sleeve Base Layer - Men's
$21.83 - $54.95 - ColorsTop Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
$79.93 - $120.00 - Colors
REI Co-opMidweight Base Layer Half-Zip Top - Women's
$35.83 - $59.95 - ColorsTop Rated
Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men's
$150.00 - ColorsTop Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$54.83 - $115.00 - ColorsTop Rated
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$45.83 - $90.00 - ColorsNew arrival
Ortovox185 Merino Rock'n'wool Long-Sleeve Base Layer Top - Men's
$55.83 - $110.00