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Long Sleeve Base Layer Tops

(245 products)

Products (245)

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New arrival
Kari TraaMalia Half-Zip Base Layer Top - Women's
$59.73
Save 25%
compared to $80.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Plus
REI OUTLET
Kari TraaSmekker Long-Sleeve Base Layer Top - Women's
$89.73
Save 25%
compared to $120.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
4 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
IcebreakerMerino 260 Vertex Long-Sleeve Crewe Thermal Base Layer Top - Women's
$99.73
Save 28%
compared to $140.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
5 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
Top Rated
ColumbiaOmni-Heat Midweight Crew Base Layer Top - Kids'
$30.00
72 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Helly HansenVerglas Half-Zip Top - Women's
$63.73
Save 25%
compared to $85.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Women's
$85.00 - $100.00
11 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular
Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's
$104.73
Save 30%
compared to $150.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Terramar2.0 Cloud Nine Midweight Performance Thermal Turtleneck - Women's
$32.73
Save 31%
compared to $48.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Arms of Andes300 Lightweight Alpaca Wool Pullover Base Layer Hoodie - Women's
$140.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Kari TraaLucie Half-Zip Base Layer Top - Women's
$67.73
Save 24%
compared to $90.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
ArtilectFlatiron 185 Quarter-Zip Base Layer Top - Women's
$99.73
Save 37%
compared to $160.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Kids'
$52.73
Save 29%
compared to $75.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
4 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Icebreaker200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top - Women's
$89.73
Save 25%
compared to $120.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Top Rated
Helly HansenLifa Merino Midweight Graphic Base Layer Top - Women's
$79.73 - $82.73
Save 24% - 27%
compared to $110.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
5 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
SpraywayEffra Crew Base Layer Top - Women's
$36.73
Save 26%
compared to $49.95
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
REI OUTLET
SpraywayEffra Hoody Base Layer Top - Women's
$49.73
Save 28%
compared to $69.95
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
Terramar3.0 Thermawool Half-Zip Base Layer Top - Women's
$56.73
Save 24%
compared to $75.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Kari TraaRose Base Layer Hoodie - Women's
$97.73
Save 24%
compared to $130.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's
$109.00
14 reviews with an average rating of 4.1 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Kids'
$51.73
Save 26%
compared to $70.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Helly HansenLIFA ACTIVE Graphic Crew Base Layer Top - Women's
$42.73
Save 34%
compared to $65.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Helly HansenLIFA Merino Midweight Half-Zip Base Layer Top - Women's
$79.73 - $82.73
Save 24% - 27%
compared to $110.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Macro Forms Base Layer Top - Women's
$85.73
Save 25%
compared to $115.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
3 reviews with an average rating of 3.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
New arrival
Kari TraaSara Long-Sleeve Base Layer Top - Women's
$74.73
Save 25%
compared to $100.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
Kari TraaEdith Half-Zip Base Layer Top - Women's
$82.73
Save 24%
compared to $110.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 1.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Top Rated
Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'
$60.00
9 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women's
$135.00
27 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Kari TraaRose Light Base Layer Top - Women's
$82.73
Save 24%
compared to $110.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Women's
$98.73
Save 38%
compared to $160.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 2.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Kari TraaSmekker Half-Zip Base Layer Top - Women's
$89.73
Save 30%
compared to $130.00
Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
19 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET