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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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Quick buy
BONNETIER
Basic Luxe (Women's) - Past Season
$135.00 CAD
XS S M L
CHERRY-FERN
Basic Luxe (Women's) - Past Season
 CHERRY-BEAR
Basic Luxe (Women's) - Past Season
 SUN-MOUNTAINS
Basic Luxe (Women's) - Past Season
 BURNT ORANGE-PINE
Basic Luxe (Women's) - Past Season
+ 1 more
Quick buy
BONNETIER
Techcrew Top - Mid Layer (Men's) - Past Season
$135.00 CAD
M L XL S
OLIVE
Techcrew Top - Mid Layer (Men's) - Past Season
 BLACK
Techcrew Top - Mid Layer (Men's) - Past Season
 HEATHER BLUE
Techcrew Top - Mid Layer (Men's) - Past Season
 HEATHER GREY
Techcrew Top - Mid Layer (Men's) - Past Season
 HEATHER BLUE-DESCENT
Techcrew Top - Mid Layer (Men's) - Past Season
+ 2 more
Quick buy
ICEBREAKER
Merino 260 Tech Long Sleeve Crewe Thermal Top (Women's) - IB104387
$150.00 CAD
XS S M L XL
BLACK
Merino 260 Tech Long Sleeve Crewe Thermal Top (Women's) - IB104387
 ATLANTIS
Merino 260 Tech Long Sleeve Crewe Thermal Top (Women's) - IB104387
Quick buy
SMARTWOOL
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
Select Styles from $160.00 CAD
XS S M L XL
CHARCOAL - MINK STRIPE
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
 NIGHTFALL BLUE - DEEP NAVY
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
 EMERALD-WHITE
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
 BLACK CHERRY - VIOLET
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
 BLACK - WHITE
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
 NIVAL BLUE-POOL BLUE
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
 BLACK CHERRY
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
+ 4 more
Quick buy
ICEBREAKER
Merino Siren Tank Top (Women's) - IB103213
$85.00 CAD
XS S M L XL
BLACK
Merino Siren Tank Top (Women's) - IB103213
 UNDYED
Merino Siren Tank Top (Women's) - IB103213
Quick buy
SWIX
RaceX BodyW Long Sleeve (Men's) - 40811 - Past Season
$35.00 CAD $70.00
Sale (Select Styles)
M L XL 2XL
GREY MELANGE
RaceX BodyW Long Sleeve (Men's) - 40811 - Past Season
 BLUE SEA
RaceX BodyW Long Sleeve (Men's) - 40811 - Past Season
Quick buy
SMARTWOOL
Intraknit™ Thermal Merino Base Layer Colorblock Crew (Men's) - SW016453
Select Styles from $90.00 CAD $170.00
Sale (Select Styles)
S M L XL XXL
DEEP NAVY-TWILIGHT BLUE
Intraknit™ Thermal Merino Base Layer Colorblock Crew (Men's) - SW016453
 CHARCOAL-WINTER MOSS
Intraknit™ Thermal Merino Base Layer Colorblock Crew (Men's) - SW016453
 CHARCOAL-HONEY GOLD
Intraknit™ Thermal Merino Base Layer Colorblock Crew (Men's) - SW016453
 DEEP NAVY-CHARCOAL
Intraknit™ Thermal Merino Base Layer Colorblock Crew (Men's) - SW016453
 WINTER MOSS-CHARCOAL
Intraknit™ Thermal Merino Base Layer Colorblock Crew (Men's) - SW016453
+ 2 more
Quick buy
ICEBREAKER
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Women's) - IB104375
$130.00 CAD
XS S M L XL
BLACK
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Women's) - IB104375
 GRITSTONE HEATHER
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Women's) - IB104375
 MIDNIGHT NAVY
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Women's) - IB104375
 SUMMIT-BLUSH-STRIPED
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Women's) - IB104375
+ 1 more
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
Select Styles from $90.00 CAD $140.00
Sale (Select Styles)
S M L XL 2XL
BLACK
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 DEEP NAVY COLOUR SHIFT
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 NORTH WOODS FOGGY PINES
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 NIVAL BLUE-DEEP NAVY
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 BLACK RETRO LINE
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 WINTER MOSS HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 CHARCOAL HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 BLACK COLOUR SHIFT
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 NIVAL BLUE
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 MINK HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
+ 7 more
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
Select Styles from $140.00 CAD
XS S M L XL
MINK HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 CORAL REEF SUMMIT SOUL
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 BLACK
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 TWILIGHT BLUE HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 CHARCOAL HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 TWILIGHT FOGGY PINES
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 TWILIGHT BLUE: MOUNTAIN SCAPE
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 PURPLE IRIS FLORAL
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 BLACK DOT
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 ULTRA VIOLET
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 PURPLE IRIS HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 BLACK CHERRY HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
+ 9 more
Quick buy
HELLY HANSEN
LIFA® Merino Midweight Base Layer Set (Juniors') - 49403
Select Styles from $80.00 CAD $140.00
Sale (Select Styles)
8 10 12 14 16
DEEP DIVE
LIFA® Merino Midweight Base Layer Set (Juniors') - 49403
 ULTRA BLUE
LIFA® Merino Midweight Base Layer Set (Juniors') - 49403
 GREY
LIFA® Merino Midweight Base Layer Set (Juniors') - 49403
 NAVY
LIFA® Merino Midweight Base Layer Set (Juniors') - 49403
+ 1 more
Quick buy
ICEBREAKER
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's) - IB104365
$130.00 CAD
S M L XL 2XL 3XL
CLOUD RAY
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's) - IB104365
 GRITSTONE HEATHER
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's) - IB104365
 MIDNIGHT NAVY
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's) - IB104365
 BLACK
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's) - IB104365
 LODEN
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's) - IB104365
 ATLANTIS
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's) - IB104365
 JAVA
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's) - IB104365
+ 4 more
Quick buy
SMARTWOOL
Intraknit Thermal Merino Base Layer Crew (Men's) - SW019286
Select Styles from $120.00 CAD $180.00
Sale (Select Styles)
S M L XL 2XL
BLACK-WHITE
Intraknit Thermal Merino Base Layer Crew (Men's) - SW019286
 PEWTER BLUE-TWILIGHT
Intraknit Thermal Merino Base Layer Crew (Men's) - SW019286
 NIGHTFALL BLUE
Intraknit Thermal Merino Base Layer Crew (Men's) - SW019286
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer One Piece (Men's) - SW002973
$280.00 CAD
Sold out
S M L XL XXL
MINK HEATHER
Classic Thermal Merino Base Layer One Piece (Men's) - SW002973
Quick buy
ARC'TERYX
Rho Zip Neck (Women's) - X000010535
$140.00 CAD
Sold out
XS S M L XL
BLACK
Rho Zip Neck (Women's) - X000010535
 VITALITY-BLACK SAPPHIRE
Rho Zip Neck (Women's) - X000010535
Quick buy
ARC'TERYX
Rho SV Zip Neck (Men's) - X000009922
$170.00 CAD
Sold out
M L XL XXL
BLACK
Rho SV Zip Neck (Men's) - X000009922
Quick buy
ARC'TERYX
Rho LT Zip Neck (Men's) - X000009425
$140.00 CAD
Sold out
M L XL XXL
BLACK SAPPHIRE
Rho LT Zip Neck (Men's) - X000009425
 BLACK
Rho LT Zip Neck (Men's) - X000009425
 FORAGE-TATSU
Rho LT Zip Neck (Men's) - X000009425
Quick buy
SWIX
RaceX Classic Wind Half Zip (Women's) - SW10104-23
$85.00 CAD
Sold out
S M L
BLACK
RaceX Classic Wind Half Zip (Women's) - SW10104-23
Quick buy
ICEBREAKER
Merino Central Classic Short Sleeve T-Shirt (Men's) - IB0A56JX
$80.00 CAD
Sold out
M L XL
LODEN
Merino Central Classic Short Sleeve T-Shirt (Men's) - IB0A56JX
Quick buy
ICEBREAKER
Merino 175 Everyday Long Sleeve Crewe Thermal Top (Women's) - IB104471
$95.00 CAD
Sold out
XS S M L XL
BLACK
Merino 175 Everyday Long Sleeve Crewe Thermal Top (Women's) - IB104471
Quick buy
ICEBREAKER
Merino 175 Everyday Long Sleeve Crewe Thermal Top (Men's) - IB104483
$95.00 CAD
Sold out
M L XL
BLACK
Merino 175 Everyday Long Sleeve Crewe Thermal Top (Men's) - IB104483