Base Layers & Underwear Sale

Filter
79 products
FeaturedMost relevantBest sellingAlphabetically, A-ZAlphabetically, Z-APrice, low to highPrice, high to lowDate, old to newDate, new to old
Filters
Out of stock
Gender
Sizes
Brand
Colour
Activity
Category
Subcategory
Price
$
$
Sort by
Quick buy
ICEBREAKER
BodyfitZone™ Merino 200 Zone Thermal Leggings (Women's) - 104427 - Past Season
$70.00 CAD $135.00
Sale (Select Styles)
XS S
BLACK-MINERAL
BodyfitZone™ Merino 200 Zone Thermal Leggings (Women's) - 104427 - Past Season
 JET HTHR-LOTUS
BodyfitZone™ Merino 200 Zone Thermal Leggings (Women's) - 104427 - Past Season
Quick buy
ICEBREAKER
BodyfitZone™ Zone Leggings (Women's) - 102574- Past Season
$70.00 CAD $129.99
Sale (Select Styles)
XS
BLACK-MINERAL
BodyfitZone™ Zone Leggings (Women's) - 102574- Past Season
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer Hoodie (Men's) - SW016359
Select Styles from $120.00 CAD $170.00
Sale (Select Styles)
S M L XL
CHARCOAL-HONEY GOLD
Classic Thermal Merino Base Layer Hoodie (Men's) - SW016359
Quick buy
SWIX
RaceX Dry Half Zip (Women's) - 10100-23 - Past Season
$75.00 CAD $115.00
Sale (Select Styles)
S M L
BALLAD BLUE
RaceX Dry Half Zip (Women's) - 10100-23 - Past Season
 BRIGHT WHITE
RaceX Dry Half Zip (Women's) - 10100-23 - Past Season
Quick buy
ICEBREAKER
Merino 260 Tech Long Sleeve Crewe Thermal Top (Men's) - IB104371
Select Styles from $110.00 CAD $165.00
Sale (Select Styles)
S M L XL 2XL 3XL
BLACK
Merino 260 Tech Long Sleeve Crewe Thermal Top (Men's) - IB104371
 GRITSTONE
Merino 260 Tech Long Sleeve Crewe Thermal Top (Men's) - IB104371
 TRAIL
Merino 260 Tech Long Sleeve Crewe Thermal Top (Men's) - IB104371
 LODEN
Merino 260 Tech Long Sleeve Crewe Thermal Top (Men's) - IB104371
+ 1 more
Quick buy
SMARTWOOL
Classic Thermal Merino Mock Neck (Women's) - SW002984
Select Styles from $120.00 CAD $170.00
Sale (Select Styles)
S M L XL
DEEP NAVY
Classic Thermal Merino Mock Neck (Women's) - SW002984
 MINK HEATHER
Classic Thermal Merino Mock Neck (Women's) - SW002984
Quick buy
VUORI
Dynamic Bra (Women's) - VW1203 - Past Season
$60.00 CAD $88.00
Sale (Select Styles)
S M L XL
BLACK
Dynamic Bra (Women's) - VW1203 - Past Season
Quick buy
SMARTWOOL
Active Crop Bra (Women's) - SW002765
Select Styles from $60.00 CAD $100.00
Sale (Select Styles)
S M L
BLACK
Active Crop Bra (Women's) - SW002765
 NIGHTFALL BLUE MOUNTAIN
Active Crop Bra (Women's) - SW002765
Quick buy
ICEBREAKER
Merino Blend 125 ZoneKnit™ Boxers (Men's) - IB0A577E - Past Season
$50.00 CAD $70.00
Sale (Select Styles)
S M L XL
ALLOY
Merino Blend 125 ZoneKnit™ Boxers (Men's) - IB0A577E - Past Season
 CAROB
Merino Blend 125 ZoneKnit™ Boxers (Men's) - IB0A577E - Past Season
 TOPAZ
Merino Blend 125 ZoneKnit™ Boxers (Men's) - IB0A577E - Past Season
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip Plus Boxed (Women's) - SW002831 - Past Season
Select Styles from $80.00 CAD $150.00
Sale (Select Styles)
1X 2X 3X 4X
BLACK DIGI SNOW
Classic Thermal Merino Base Layer 1/4 Zip Plus Boxed (Women's) - SW002831 - Past Season
Quick buy
BULA
Rainbow Set Base Layer (Kids') - KLSRAI3
Select Styles from $45.00 CAD $65.00
Sale (Select Styles)
XS S M L XL
MILITARY GREEN
Rainbow Set Base Layer (Kids') - KLSRAI3
 BLACK
Rainbow Set Base Layer (Kids') - KLSRAI3
 LOTUS BLACK
Rainbow Set Base Layer (Kids') - KLSRAI3
 PINK
Rainbow Set Base Layer (Kids') - KLSRAI3
+ 1 more
Quick buy
PATAGONIA
Shadowlite High Impact Adjustable Bra (Women's) - 32135
Select Styles from $60.00 CAD $109.00
Sale (Select Styles)
S M L XL
PINE NEEDLE GREEN
Shadowlite High Impact Adjustable Bra (Women's) - 32135
 BLACK
Shadowlite High Impact Adjustable Bra (Women's) - 32135
 AQUATIC BLUE
Shadowlite High Impact Adjustable Bra (Women's) - 32135
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW002829 - Past Season
Select Styles from $90.00 CAD $150.00
Sale (Select Styles)
XS S M L XL
MINK HEATHER
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW002829 - Past Season
 CHALK VIOLET HEATHER
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW002829 - Past Season
 TWILIGHT BLUE HEATHER
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW002829 - Past Season
 BLACK DIGI SNOW
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW002829 - Past Season
+ 1 more
Quick buy
SWIX
RaceX Dry Long Sleeve (Women's) - 10098-23 - Past Season
$50.00 CAD $80.00
Sale (Select Styles)
S M L XL
HEATHER LAKE BLUE
RaceX Dry Long Sleeve (Women's) - 10098-23 - Past Season
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip Boxed - SW002822
Select Styles from $110.00 CAD $150.00
Sale (Select Styles)
S M L XL XXL
NORTH WOODS FOGGY PINES
Classic Thermal Merino Base Layer 1/4 Zip Boxed - SW002822
 CHARCOAL-CURRANT
Classic Thermal Merino Base Layer 1/4 Zip Boxed - SW002822
 BLACK
Classic Thermal Merino Base Layer 1/4 Zip Boxed - SW002822
 DEEP NAVY
Classic Thermal Merino Base Layer 1/4 Zip Boxed - SW002822
 MINK HEATHER
Classic Thermal Merino Base Layer 1/4 Zip Boxed - SW002822
 BLACK COLOR SHIFT
Classic Thermal Merino Base Layer 1/4 Zip Boxed - SW002822
+ 3 more
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer Colorblock Crew Boxed (Men's) - SW002570
Select Styles from $80.00 CAD $155.00
Sale (Select Styles)
S M L XL XXL
CHARCOAL HEATHER-BLACK
Classic Thermal Merino Base Layer Colorblock Crew Boxed (Men's) - SW002570
 TWILIGHT BLUE-BLACK
Classic Thermal Merino Base Layer Colorblock Crew Boxed (Men's) - SW002570
Quick buy
THE NORTH FACE
Summit Series Pro 120 Tights (Men’s) - NF0A84PQ - Past Season
$95.00 CAD $129.99
Sale (Select Styles)
S M L XL
TNF BLACK
Summit Series Pro 120 Tights (Men’s) - NF0A84PQ - Past Season
REGULAR
Quick buy
THE NORTH FACE
Summit Series Pro 120 Crew (Men's) - NF0A87ZT - Past Season
$95.00 CAD $129.99
Sale (Select Styles)
S M L XL XXL
TNF BLACK
Summit Series Pro 120 Crew (Men's) - NF0A87ZT - Past Season
Quick buy
ICEBREAKER
Merino 200 ZoneKnit™ Long Sleeve Half Zip Thermal Top (Women's) - IBBA56HC - Past Season
$100.00 CAD $190.00
Sale (Select Styles)
S M L XL
JET HEATHER-BLACK
Merino 200 ZoneKnit™ Long Sleeve Half Zip Thermal Top (Women's) - IBBA56HC - Past Season
 BAJA
Merino 200 ZoneKnit™ Long Sleeve Half Zip Thermal Top (Women's) - IBBA56HC - Past Season
Quick buy
ICEBREAKER
Merino 200 ZoneKnit™ Long Sleeve Half Zip Thermal Top (Men's) - IBBA56H9 - Past Season
$100.00 CAD $190.00
Sale (Select Styles)
M L XL
BRILLIANT-BAJA
Merino 200 ZoneKnit™ Long Sleeve Half Zip Thermal Top (Men's) - IBBA56H9 - Past Season
 PORT-BLAZE
Merino 200 ZoneKnit™ Long Sleeve Half Zip Thermal Top (Men's) - IBBA56H9 - Past Season
Quick buy
ICEBREAKER
Merino 200 Oasis Long Sleeve Half Zip Thermal Top (Men's) - IBB04367
Select Styles from $105.00 CAD $155.00
Sale (Select Styles)
M L XL XXL
MIDNIGHT NAVY
Merino 200 Oasis Long Sleeve Half Zip Thermal Top (Men's) - IBB04367
 BLACK
Merino 200 Oasis Long Sleeve Half Zip Thermal Top (Men's) - IBB04367
 LODEN
Merino 200 Oasis Long Sleeve Half Zip Thermal Top (Men's) - IBB04367
Quick buy
ICEBREAKER
Merino 200 Oasis Long Sleeve Crewe Thermal Top Ruapehu Round (Men's) - IB0A572O - Past Season
Select Styles from $70.00 CAD $140.00
Sale (Select Styles)
S M L
BRILLIANT
Merino 200 Oasis Long Sleeve Crewe Thermal Top Ruapehu Round (Men's) - IB0A572O - Past Season
Quick buy
ICEBREAKER
Merino 260 Tech Long Sleeve Turtleneck Thermal Top (Men's) - IB0A56IE
Select Styles from $120.00 CAD $160.00
Sale (Select Styles)
S M L XL
BLACK
Merino 260 Tech Long Sleeve Turtleneck Thermal Top (Men's) - IB0A56IE
Quick buy
ICEBREAKER
125 ZoneKnit™ Thermal Leggings (Women's) - IB0A56H6 - Past Season
$75.00 CAD $150.00
Sale (Select Styles)
S M L XL
BLACK-JET HEATHER
125 ZoneKnit™ Thermal Leggings (Women's) - IB0A56H6 - Past Season
Quick buy
SMARTWOOL
Intraknit Thermal Merino Base Layer Colorblock 1/4 Zip (Women's) - SW002837
Select Styles from $120.00 CAD $170.00
Sale (Select Styles)
XS S M L XL
BLACK-CHARCOAL
Intraknit Thermal Merino Base Layer Colorblock 1/4 Zip (Women's) - SW002837
 DEEP NAVY
Intraknit Thermal Merino Base Layer Colorblock 1/4 Zip (Women's) - SW002837
 BLACK
Intraknit Thermal Merino Base Layer Colorblock 1/4 Zip (Women's) - SW002837
Quick buy
SMARTWOOL
Intraknit Thermal Max Merino Base Layer 1/4 Zip (Women's) - SW002835
Select Styles from $120.00 CAD $190.00
Sale (Select Styles)
S M L
BLACK
Intraknit Thermal Max Merino Base Layer 1/4 Zip (Women's) - SW002835
Quick buy
ARC'TERYX
Rho Zip Neck (Women's) - X000007336 - Past Season
$90.00 CAD $140.00
Sale (Select Styles)
S M L XL
BLACK
Rho Zip Neck (Women's) - X000007336 - Past Season
 STRATUS
Rho Zip Neck (Women's) - X000007336 - Past Season
Quick buy
ICEBREAKER
125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top (Women's) - IB0A56H4 - Past Season
Select Styles from $75.00 CAD $150.00
Sale (Select Styles)
S M L XL
JET HEATHER-BLACK
125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top (Women's) - IB0A56H4 - Past Season
 TANG-PRALINE
125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top (Women's) - IB0A56H4 - Past Season
 DECO-ASHEN
125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top (Women's) - IB0A56H4 - Past Season
Quick buy
ICEBREAKER
125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top (Men's) - IB0A56H3 - Past Season
Select Styles from $75.00 CAD $150.00
Sale (Select Styles)
S M L XL
BAJA-BRILLIANT
125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top (Men's) - IB0A56H3 - Past Season
 CLOUD RAY-HYPER
125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top (Men's) - IB0A56H3 - Past Season
 JET HEATHER-BLACK
125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top (Men's) - IB0A56H3 - Past Season
Quick buy
SMARTWOOL
Active Crop Bra (Women's) - SW017281 - Past Season
Select Styles from $45.00 CAD $90.00
Sale (Select Styles)
XS S M L XL
BLACK
Active Crop Bra (Women's) - SW017281 - Past Season
 WINTER SKY
Active Crop Bra (Women's) - SW017281 - Past Season
Quick buy
SWIX
RaceX Classic Half Zip (Men's) - 10116-23
Select Styles from $60.00 CAD $80.00
Sale (Select Styles)
S M L XL XXL
BLACK - PHANTOM
RaceX Classic Half Zip (Men's) - 10116-23
 DARK NAVY - BRIGHT WHITE
RaceX Classic Half Zip (Men's) - 10116-23
Quick buy
SWIX
RaceX Classic Half Zip (Women's) - 10111-23 - Past Season
Select Styles from $40.00 CAD $80.00
Sale (Select Styles)
XS S M L XL
DARK NAVY - LAKE BLUE
RaceX Classic Half Zip (Women's) - 10111-23 - Past Season
 DUSTY PURPLE - LIGHT PURPLE
RaceX Classic Half Zip (Women's) - 10111-23 - Past Season
Quick buy
SWIX
RaceX Classic Long Sleeve (Men's) - 10115-23 - Past Season
$35.00 CAD $70.00
Sale (Select Styles)
M L XL
BLACK
RaceX Classic Long Sleeve (Men's) - 10115-23 - Past Season
 COBALT
RaceX Classic Long Sleeve (Men's) - 10115-23 - Past Season
Quick buy
SWIX
RaceX Classic Long Sleeve (Women's) - 10110-23 - Past Season
Select Styles from $35.00 CAD $70.00
Sale (Select Styles)
XS S M L
OLIVE-BRIGHT WHITE
RaceX Classic Long Sleeve (Women's) - 10110-23 - Past Season
 COBALT
RaceX Classic Long Sleeve (Women's) - 10110-23 - Past Season
Quick buy
SMARTWOOL
Classic All-Season Merino Base Layer Bottom Boxed (Women's) - SW016909
Select Styles from $80.00 CAD $115.00
Sale (Select Styles)
XS S M L XL
BLACK
Classic All-Season Merino Base Layer Bottom Boxed (Women's) - SW016909
 TWILIGHT BLUE
Classic All-Season Merino Base Layer Bottom Boxed (Women's) - SW016909
Quick buy
ARC'TERYX
Rho Heavyweight Bottom (Women's) - X000006286 - Past Season
$90.00 CAD $170.00
Sale (Select Styles)
XS S M L XL
BLACK
Rho Heavyweight Bottom (Women's) - X000006286 - Past Season

1 review
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer Crew Plus Boxed (Women's) - SW016803
Select Styles from $90.00 CAD $140.00
Sale (Select Styles)
1X 2X 3X 4X
CHARCOAL HEATHER
Classic Thermal Merino Base Layer Crew Plus Boxed (Women's) - SW016803
 BLACK DIGI SNOW
Classic Thermal Merino Base Layer Crew Plus Boxed (Women's) - SW016803
Quick buy
RAB
Conduit Tights (Women's) - QBL-45 - Past Season
Select Styles from $50.00 CAD $95.00
Sale (Select Styles)
8 10 12 14 16
BELUGA
Conduit Tights (Women's) - QBL-45 - Past Season
Quick buy
RAB
Conduit Hoody (Women's) - QBL-43 - Past Season
Select Styles from $65.00 CAD $115.00
Sale (Select Styles)
8 10 12 14 16
BELUGA
Conduit Hoody (Women's) - QBL-43 - Past Season
 PATROIT BLUE
Conduit Hoody (Women's) - QBL-43 - Past Season
 GLACIER BLUE
Conduit Hoody (Women's) - QBL-43 - Past Season
Quick buy
RAB
Conduit Pull-On (Men's) - QBL-38 - Past Season
Select Styles from $60.00 CAD $105.00
Sale (Select Styles)
M L XL
INK
Conduit Pull-On (Men's) - QBL-38 - Past Season
 LIGHT KHAKI
Conduit Pull-On (Men's) - QBL-38 - Past Season
Quick buy
SMARTWOOL
Intraknit Crop Bra (Women's) - SW016848 - Past Season
Select Styles from $45.00 CAD $90.00
Sale (Select Styles)
XS S M L
BLACK HEATHER
Intraknit Crop Bra (Women's) - SW016848 - Past Season
 SANDSTONE
Intraknit Crop Bra (Women's) - SW016848 - Past Season
Quick buy
SMARTWOOL
Classic All-Season Merino Base Layer Long Sleeve Boxed Plus (Women's) - SW016915
Select Styles from $90.00 CAD $130.00
Sale (Select Styles)
1X 2X 3X 4X
TWILIGHT BLUE
Classic All-Season Merino Base Layer Long Sleeve Boxed Plus (Women's) - SW016915
 BLACK
Classic All-Season Merino Base Layer Long Sleeve Boxed Plus (Women's) - SW016915
 NIGHTFALL BLUE
Classic All-Season Merino Base Layer Long Sleeve Boxed Plus (Women's) - SW016915
Quick buy
ICEBREAKER
Merino Siren Padded Bra (Women's) - IB104708
Select Styles from $45.00 CAD $65.00
Sale (Select Styles)
S M L
BLACK
Merino Siren Padded Bra (Women's) - IB104708
 LODEN
Merino Siren Padded Bra (Women's) - IB104708
 SUMMIT
Merino Siren Padded Bra (Women's) - IB104708
Quick buy
ARC'TERYX
Soria Long Line Bra (Women's) - X000007279 - Past Season
$50.00 CAD $80.00
Sale (Select Styles)
6 8 10 12
BLACK
Soria Long Line Bra (Women's) - X000007279 - Past Season
 FORAGE
Soria Long Line Bra (Women's) - X000007279 - Past Season
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer Bottom Plus Boxed (Women's) - SW016807 - Past Season
Select Styles from $70.00 CAD $140.00
Sale (Select Styles)
1X 2X 3X 4X
BLACK
Classic Thermal Merino Base Layer Bottom Plus Boxed (Women's) - SW016807 - Past Season
 BLACK CHERRY HEATHER
Classic Thermal Merino Base Layer Bottom Plus Boxed (Women's) - SW016807 - Past Season
 BLUEBERRY HILL HEATH
Classic Thermal Merino Base Layer Bottom Plus Boxed (Women's) - SW016807 - Past Season
Quick buy
SMARTWOOL
Intraknit Racerback Bra (Women's) - SW016847 - Past Season
Select Styles from $40.00 CAD $80.00
Sale (Select Styles)
XS S M L XL
BLACK HEATHER
Intraknit Racerback Bra (Women's) - SW016847 - Past Season
 ALMOND
Intraknit Racerback Bra (Women's) - SW016847 - Past Season
 ULTRA VIOLET
Intraknit Racerback Bra (Women's) - SW016847 - Past Season
 SANDSTONE
Intraknit Racerback Bra (Women's) - SW016847 - Past Season
 LEAD
Intraknit Racerback Bra (Women's) - SW016847 - Past Season
+ 2 more
Quick buy
SMARTWOOL
Classic All-Season Merino Base Layer Long Sleeve Boxed (Women's) - SW016913
Select Styles from $60.00 CAD $130.00
Sale (Select Styles)
XS S M L XL
BLACK
Classic All-Season Merino Base Layer Long Sleeve Boxed (Women's) - SW016913
 TWILIGHT BLUE
Classic All-Season Merino Base Layer Long Sleeve Boxed (Women's) - SW016913
 EGGPLANT
Classic All-Season Merino Base Layer Long Sleeve Boxed (Women's) - SW016913
 PURPLE STORM MOUNTAIN
Classic All-Season Merino Base Layer Long Sleeve Boxed (Women's) - SW016913
+ 1 more
Quick buy
SMARTWOOL
Merino Print Boxer Brief Boxed (Men's) - SW017005
Select Styles from $40.00 CAD $65.00
Sale (Select Styles)
S M L XL
TWILIGHT BLUE MOUNTAIN
Merino Print Boxer Brief Boxed (Men's) - SW017005
 DEEP NAVY DIGITAL SUMMIT PRINT
Merino Print Boxer Brief Boxed (Men's) - SW017005
 BLACK GONE CAMPING
Merino Print Boxer Brief Boxed (Men's) - SW017005
 FERN GREEN ALOHA FOREST
Merino Print Boxer Brief Boxed (Men's) - SW017005
 ZEN GREEN TRAIL RIDE
Merino Print Boxer Brief Boxed (Men's) - SW017005
 TWILIGHT CLOUD
Merino Print Boxer Brief Boxed (Men's) - SW017005
 SCARLET RED
Merino Print Boxer Brief Boxed (Men's) - SW017005
+ 4 more
Quick buy
SMARTWOOL
Classic All-Season Merino Base Layer Bottom Boxed (Men's) - SW016959
Select Styles from $80.00 CAD $125.00
Sale (Select Styles)
S M L XL 2XL
BLACK
Classic All-Season Merino Base Layer Bottom Boxed (Men's) - SW016959
 IRON HEATHER
Classic All-Season Merino Base Layer Bottom Boxed (Men's) - SW016959
Quick buy
SMARTWOOL
Classic All-Season Merino Base Layer Long Sleeve Boxed (Men's) - SW016953
Select Styles from $60.00 CAD $120.00
Sale (Select Styles)
S M L XL XXL
BLACK
Classic All-Season Merino Base Layer Long Sleeve Boxed (Men's) - SW016953
 LAGUNA BLUE-DEEP NAVY
Classic All-Season Merino Base Layer Long Sleeve Boxed (Men's) - SW016953
 TWILIGHT BLUE MOUNTAIN
Classic All-Season Merino Base Layer Long Sleeve Boxed (Men's) - SW016953
 FERN GREEN
Classic All-Season Merino Base Layer Long Sleeve Boxed (Men's) - SW016953
 IRON HEATHER
Classic All-Season Merino Base Layer Long Sleeve Boxed (Men's) - SW016953
 NIGHTFALL BLUE
Classic All-Season Merino Base Layer Long Sleeve Boxed (Men's) - SW016953
+ 3 more