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Base Layer Tops

Discover our Base Layer Tops collection, designed to provide essential comfort and moisture-wicking performance for any outdoor adventure. Ideal for layering under jackets or on their own, our tops keep you warm and dry in all conditions. Find your perfect base layer.

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SMARTWOOL
Intraknit™ All-Season Merino Base Layer Crew (Women's) - SW003055
$165.00 CAD
XS S M L XL
DUSTY TEAL
Intraknit™ All-Season Merino Base Layer Crew (Women's) - SW003055
 BLACK
Intraknit™ All-Season Merino Base Layer Crew (Women's) - SW003055
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip (Men's) - SW002821
$160.00 CAD
S M L XL XXL
BLACK
Classic Thermal Merino Base Layer 1/4 Zip (Men's) - SW002821
Quick buy
SMARTWOOL
Intraknit™ All-Season Merino Base Layer Crew (Men's) - SW002868
$165.00 CAD
S M L XL XXL
NIGHTFALL BLUE
Intraknit™ All-Season Merino Base Layer Crew (Men's) - SW002868
 BLACK
Intraknit™ All-Season Merino Base Layer Crew (Men's) - SW002868
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW002829
$160.00 CAD
S M L XL
BLACK
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW002829
Quick buy
HELLY HANSEN
LIFA® Merino Midweight Crew Base Layer (Men's) - 49364
$110.00 CAD
S M L XL
BLACK
LIFA® Merino Midweight Crew Base Layer (Men's) - 49364
Quick buy
HELLY HANSEN
LIFA® Merino Midweight Base Layer Set (Juniors')
$150.00 CAD
9 10 11 12 14
BRIGHT LAVENDER
LIFA® Merino Midweight Base Layer Set (Juniors')
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
SWIX
RaceX Classic Half Zip (Women's) - 10111-23
$90.00 CAD $110.00
Sale (Select Styles)
XS S M L XL
BALLAD BLUE
RaceX Classic Half Zip (Women's) - 10111-23
 JET BLACK
RaceX Classic Half Zip (Women's) - 10111-23
Quick buy
SWIX
RaceX Classic Long Sleeve (Women's) - 10110-23
$70.00 CAD $90.00
Sale (Select Styles)
XS S M L
BALLAD BLUE
RaceX Classic Long Sleeve (Women's) - 10110-23
Quick buy
SWIX
RaceX Classic Half Zip (Men's) - 10116-23
$90.00 CAD $110.00
Sale (Select Styles)
S M L XL
DARK NAVY
RaceX Classic Half Zip (Men's) - 10116-23
 JET BLACK
RaceX Classic Half Zip (Men's) - 10116-23
Quick buy
SWIX
RaceX Classic Long Sleeve (Men's) - 10115-23
$70.00 CAD $90.00
Sale (Select Styles)
S M L XL
JET BLACK
RaceX Classic Long Sleeve (Men's) - 10115-23
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 Base Layer 1/4 Zip Plus (Women's) - SW002830
$160.00 CAD
1X 2X 3X 4X
CHARCOAL HEATHER
Classic Thermal Merino Base Layer 1/4 Zip Plus (Women's) - SW002830
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
SMARTWOOL
Intraknit Thermal Merino Base Layer 1/4 Zip (Men's) - SW002824
Select Styles from $130.00 CAD $180.00
Sale (Select Styles)
S M L XL XXL
CHARCOAL-NIGHTFALL BLUE
Intraknit Thermal Merino Base Layer 1/4 Zip (Men's) - SW002824
 BLACK-WHITE
Intraknit Thermal Merino Base Layer 1/4 Zip (Men's) - SW002824
Quick buy
PEARL IZUMI
Transfer Mesh Sleevless Baselayer (Men's) - 11122502
$79.99 CAD
M
WHITE
Transfer Mesh Sleevless Baselayer (Men's) - 11122502
Quick buy
SMARTWOOL
Classic All-Season Merino Base Layer 1/4 Zip (Women's) - SW002827
$135.00 CAD
XS S M L XL
BLACK
Classic All-Season Merino Base Layer 1/4 Zip (Women's) - SW002827
 NIGHTFALL BLUE
Classic All-Season Merino Base Layer 1/4 Zip (Women's) - SW002827
Quick buy
HELLY HANSEN
LIFA® Merino Midweight Crew Base Layer (Women's) - 49378
$110.00 CAD
XS S M L XL
BLACK
LIFA® Merino Midweight Crew Base Layer (Women's) - 49378
Quick buy
ARC'TERYX
Rho Hoody (Women's) - X000007326 - Past Season
Select Styles from $110.00 CAD $140.00
Sale (Select Styles)
S M L
BLACK
Rho Hoody (Women's) - X000007326 - Past Season
 STRATUS
Rho Hoody (Women's) - X000007326 - Past Season
Quick buy
ICEBREAKER
Merino 260 Tech Long Sleeve Half Zip Thermal Top (Women's) - IBB04390
$175.00 CAD
S M L XL
BLACK
Merino 260 Tech Long Sleeve Half Zip Thermal Top (Women's) - IBB04390
Quick buy
ICEBREAKER
Merino 260 Tech Long Sleeve Half Zip Thermal Top (Men's) - IBB04372
Select Styles from $120.00 CAD $175.00
Sale (Select Styles)
S M L XL XXL
BLACK
Merino 260 Tech Long Sleeve Half Zip Thermal Top (Men's) - IBB04372
 GRITSTONE HEATHER
Merino 260 Tech Long Sleeve Half Zip Thermal Top (Men's) - IBB04372
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
SMARTWOOL
Classic Thermal Merino Base Layer Hoodie Boxed (Men's) - SW016360 - Past Season
Select Styles from $80.00 CAD $180.00
Sale (Select Styles)
S M L XL
BLACK RETRO LINE
Classic Thermal Merino Base Layer Hoodie Boxed (Men's) - SW016360 - Past Season
 NIVAL BLUE-DEEP NAVY
Classic Thermal Merino Base Layer Hoodie Boxed (Men's) - SW016360 - Past Season
Quick buy
SMARTWOOL
Classic All-Season Merino Base Layer 1/4 Zip Boxed (Men's) - SW002820
$135.00 CAD
S M L XL XXL
BLACK
Classic All-Season Merino Base Layer 1/4 Zip Boxed (Men's) - SW002820
 IRON HEATHER
Classic All-Season Merino Base Layer 1/4 Zip Boxed (Men's) - SW002820
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
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 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
THE NORTH FACE
Summit Series FUTUREFLEECE™ LT ½-Zip (Men’s) - NF0A5J8R
$200.00 CAD
S M L XL
TNF BLACK-NPF
Summit Series FUTUREFLEECE™ LT ½-Zip (Men’s) - NF0A5J8R
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 (Women's) - IBB04380
$155.00 CAD
M L XL
BLACK
Merino 200 Oasis Long Sleeve Half Zip Thermal Top (Women's) - IBB04380
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
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
Select Styles from $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
SWIX
RaceX Dry Half Zip (Men's) - 10099-23
$90.00 CAD $115.00
Sale (Select Styles)
S M L XL XXL
BLACK-PHANTOM
RaceX Dry Half Zip (Men's) - 10099-23
Quick buy
SWIX
RaceX Classic Wind Half Zip (Men's) - 10103-23
$70.00 CAD $85.00
Sale (Select Styles)
M L XL
BLACK
RaceX Classic Wind Half Zip (Men's) - 10103-23
Quick buy
SWIX
RaceX Classic Half Zip (Men's) - 10116-23
$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 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