Base Layer BottomsUnderwear BottomsUnderwear Tops

Women's Base Layer Tops.

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51 products
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New in
Left Right Quick buy
SMARTWOOL
Intraknit Thermal Merino Base Layer Pattern Crew (Women's)
$160.00
SML
PECAN BROWN - DEEP NAVY
New in
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SMARTWOOL
Classic Thermal Merino Base Layer Crew Plus Boxed (Women's) - SW016803
$140.00
1X2X3X4X
CHARCOAL HEATHER
New in
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SMARTWOOL
Classic Thermal Merino Base Layer Crew (Women's) - SW016369
$140.00
ML
BLACK CHERRY HEATHER
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SMARTWOOL
Classic All-Season Merino Base Layer Long Sleeve Boxed Plus (Women's) - SW016915
$115.00
1X2X3X
TWILIGHT BLUE
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ICEBREAKER
Merino Sphere II Short Sleeve Scoop T-Shirt (Women's)
$90.00
XSSML
FRESH HEATHERGO BERRY HEATHER
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ICEBREAKER
Merino Sphere II Long Sleeve T-Shirt (Women's)
$100.00
SML
BLACKGO BERRY HEATHER
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ICEBREAKER
Merino Sphere II Short Sleeve T-Shirt (Women's)
$90.00
SML
GREEN GLORY HEATHERVIBRANT EARTH HEATHE
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SMARTWOOL
Classic Thermal Merino Base Layer Pattern 1/4 Zip Plus Boxed (Women's)
$150.00
1X2X3X
BLACK DOT
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SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip Plus Boxed (Women's)
$150.00
1X2X3X
BLACK CHERRY HEATHER
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SMARTWOOL
Classic Thermal Merino Base Layer Pattern Crew Plus Boxed (Women's)
$140.00
1X2X3X
BLACK DOT
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SMARTWOOL
Classic All Season Merino Long Sleeve Boxed (Women's) - SW016913
$115.00
XSSMLXL
BLACKTWILIGHT BLUE
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SWIX
RaceX Bodywear 1/2 Zip (Women's)
$75.00
MLXL
BLUE SEADARK NAVY
Power Stretch Pro Pull-On (Women's) Deep Ink QFE-63
Quick buy
RAB
Power Stretch Pro Pull-On (Women's)
$175.00
810121416
DEEP INK
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BONNETIER
Basic Luxe (Women's)
$135.00
XSSML
CHERRY-FERNCHERRY-BEARSUN-MOUNTAINSBURNT ORANGE-PINE+ 1 more
35% off
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ICEBREAKER
260 Zone LS Half Zip (Women's) - Past Season
Starting at $110.00 $170.00 Sale
XSSMLXL
JET HTHR-BLACK
Left Right Quick buy
ICEBREAKER
260 Tech LS Crewe (Women's)
$145.00
XSSMLXL
BLACK
25% off
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SMARTWOOL
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
Starting at $120.00 $160.00 Sale
SMLXL
BLACK CHERRY - VIOLETBLACK - WHITEBLACK CHERRY
21% off
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SMARTWOOL
Intraknit™ Merino Tech 1/4 Zip (Women's) - SW016706
Starting at $150.00 $190.00 Sale
SML
BLACK CHERRYNORTH WOODS
21% off
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ARC'TERYX
RHO LT Zip Neck (Women's)
Starting at $110.00 $140.00 Sale
XSSMLXL2XL
BLACKHABITATMOONLIT
25% off
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ARC'TERYX
Rho LT LS Crew (Women's)
Starting at $90.00 $120.00 Sale
XSSMLXL2XL
BLACKBLACK SAPPHIRE-MOONL
41% off
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ICEBREAKER
Merino Siren Tank Top (Women's)
Starting at $50.00 $85.00 Sale
XSSMLXL
BLACK
30% off
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SMARTWOOL
Merino Sport Ultralite Mountain Bike 3/4 Sleeve Tee (Women's)
Starting at $70.00 $100.00 Sale
SMLXL
MANGO SORBET HEATHERTWILIGHT BLUE
31% off
Left Right Quick buy
SMARTWOOL
Merino Sport 150 Tank (Women's)
Starting at $45.00 $65.00 Sale
MLSXS
BLACKLIGHT MAHOGANY HEATHOCEAN SPRAY+ 1 more
31% off
Left Right Quick buy
SMARTWOOL
Merino Sport Ultralite Racerback Tank (Women's)
Starting at $45.00 $65.00 Sale
XSSML
FIJI FLOWER HEATHERMANGO SORBET HEATHERTWILIGHT BLUE
33% off
Left Right Quick buy
SMARTWOOL
Merino Sport Crankset Short Sleeve Graphic Tee (Women's) - Past Season
$50.00 $75.00 Sale
SM
MANGO SORBET
Left Right Quick buy
PATAGONIA
R1® TechFace Jacket (Women's) - Past Season
$209.00
SLM
FRESH TEALROSEHIP
19% off
Left Right Quick buy
WOOLPOWER
Crewneck 200 Long Sleeve (Unisex)
$110.00 $136.25 Sale
SMLXL2XLXS
PINE GREENGREYBLACK
Left Right Quick buy
ICEBREAKER
Merino 260 Tech Long Sleeve Half Zip Thermal Top (Women's)
$150.00
XSSMLXL
BLACK
Left Right Quick buy
ICEBREAKER
Merino 175 Everyday Long Sleeve Crewe Thermal Top (Women's)
$95.00
XSSMLXL
BLACK
33% off
Left Right Quick buy
ICEBREAKER
BodyfitZone™ Merino 150 Zone Long Sleeve Crewe Thermal Top (Women's) - Past Season
$80.00 $120.00 Sale
XSSMLXL
BLACK-MINERAL
40% off
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ICEBREAKER
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Women's)
Starting at $75.00 $125.00 Sale
XSSMLXL
GRITSTONE HEATHERMIDNIGHT NAVYBLACKARCTIC TEAL+ 4 more
50% off
Left Right Quick buy
ICEBREAKER
BodyfitZone™ Merino 200 Zone Thermal Long Sleeve Half Zip Top (Women's) - Past Season
Starting at $70.00 $139.99 Sale
XSLSMXL
BLACK-MINERAL
41% off
Left Right Quick buy
ICEBREAKER
BodyfitZone™ Merino 200 Zone Thermal Long Sleeve Crewe Top (Women's) - Past Season
$80.00 $135.00 Sale
XSLSMXL
JET HTHR-LOTUSBLACK-MINERAL
42% off
Left Right Quick buy
ICEBREAKER
Oasis Long Sleeve Henley (Women's) - Past Season
Starting at $70.00 $119.99 Sale
XSLSMXL
GRITSTONE HEATHER
Left Right Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW016374
$150.00
SML
POWER PINKPURPLE IRIS FLORALBLACK
20% off
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SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Men's) - SW016355
Starting at $120.00 $150.00 Sale
SMLXL2XL
WINTER MOSS - FOX BROWNBLACKNORTH WOODS HEATHER
20% off
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SMARTWOOL
250 Baselayer Pattern 1/4 (Women's)
Starting at $120.00 $150.00 Sale
MLXLXSS
TWILIGHT BLUE MARBLEBLACK DOT
36% off
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SMARTWOOL
Merino 250 Baselayer Pattern Crew (Women's)
Starting at $90.00 $140.00 Sale
SMLXLXS
DEEP NAVY PINWHEELBLACK CHERRY DOTBLUEBERRY HILL MARBLBLACK DOT+ 3 more
21% off
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SMARTWOOL
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
Starting at $110.00 $140.00 Sale
XSSMLXL
PURPLE IRIS FLORALBLACK DOTULTRA VIOLETBLACKTWILIGHT BLUE HEATHERBLACK CHERRY HEATHER+ 3 more
41% off
Left Right Quick buy
ICEBREAKER
BodyfitZone™ Merino 260 Zone Long Sleeve Crewe Thermal Top (Women's) - Past Season
$95.00 $160.00 Sale
XSSML
JET HTHR-BLACK
Left Right Quick buy
SWIX
RaceX Bodywear Halfzip Wind (Women's)
$80.00
SML
50% off
Left Right Quick buy
SWIX
RaceX Bodywear Half Zip (Women's) - Past Season
Starting at $40.00 $79.99 Sale
SML
SUNSETBLACK-GREY
54% off
Left Right Quick buy
SWIX
RaceX Bodywear Long Sleeve (Women's) - Past Season
Starting at $26.00 $55.99 Sale
SML
BRIGHT WHITEGREY MELANGE
 Quick buy
SMARTWOOL
Intraknit™ Merino 250 Thermal 1/4 Zip (Women's)
$190.00
SML
BLACK