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
ICEBREAKER
BodyfitZone™ Merino 200 Zone Thermal Long Sleeve Half Zip Top (Women's) - Past Season
$70.00 $139.99
Sale
XS
BLACK-MINERAL
BodyfitZone™ Merino 200 Zone Thermal Long Sleeve Half Zip Top (Women's) - Past Season
Quick buy
ICEBREAKER
BodyfitZone™ Merino 200 Zone Thermal Long Sleeve Crewe Top (Women's) - Past Season
$70.00 $135.00
Sale
XS L
JET HEATHER-LOTUS
BodyfitZone™ Merino 200 Zone Thermal Long Sleeve Crewe Top (Women's) - Past Season
Quick buy
ICEBREAKER
Merino 175 Everyday Long Sleeve Crewe Thermal Top (Men's)
$95.00
M L XL
BLACK
Merino 175 Everyday Long Sleeve Crewe Thermal Top (Men's)
Quick buy
ICEBREAKER
Merino Anatomica Short Sleeve Crewe T-Shirt (Men's)
From $40.00 $85.00
Sale
S M L XL 2XL
MIDNIGHT NAVY
Merino Anatomica Short Sleeve Crewe T-Shirt (Men's)
 BLACK-MONSOON
Merino Anatomica Short Sleeve Crewe T-Shirt (Men's)
 BLACK
Merino Anatomica Short Sleeve Crewe T-Shirt (Men's)
 JET-BLACK
Merino Anatomica Short Sleeve Crewe T-Shirt (Men's)
+ 1 more
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW016374
From $98.00 $150.00
Sale
XS S M L XL
PURPLE IRIS FLORAL
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW016374
 POWER PINK
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW016374
 BLACK DOT
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW016374
 BLACK
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW016374
 TWILIGHT BLUE MOUNTAIN SCAPE
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Women's) - SW016374
+ 2 more
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
From $90.00 $140.00
Sale
S M L XL 2XL
BLACK COLOUR SHIFT
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 BLACK
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 LIGHT GRAY HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 ACORN HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 NEPTUNE BLUE HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 DEEP NAVY COLOUR SHIFT
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
 HONEY GOLD
Classic Thermal Merino Base Layer Crew Boxed (Men's) - SW016350
+ 4 more
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Men's) - SW016355
From $98.00 $150.00
Sale
S M L XL 2XL
WINTER MOSS - FOX BROWN
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Men's) - SW016355
 BLACK
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Men's) - SW016355
 NORTH WOODS HEATHER
Classic Thermal Merino Base Layer 1/4 Zip Boxed (Men's) - SW016355
Quick buy
SMARTWOOL
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
From $98.00 $140.00
Sale
XS S M L XL
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
 BLACK
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 TWILIGHT BLUE HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
 BLACK CHERRY HEATHER
Classic Thermal Merino Base Layer Crew Boxed (Women's) - SW016370
+ 4 more
Quick buy
HELLY HANSEN
LIFA® Merino Midweight Base Layer Set (Juniors')
$140.00
8 10 12 14 16
DEEP DIVE
LIFA® Merino Midweight Base Layer Set (Juniors')
 ULTRA BLUE
LIFA® Merino Midweight Base Layer Set (Juniors')
 GREY
LIFA® Merino Midweight Base Layer Set (Juniors')
 NAVY
LIFA® Merino Midweight Base Layer Set (Juniors')
+ 1 more
Quick buy
ICEBREAKER
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's)
$130.00
S M L XL 2XL 3XL
CLOUD RAY
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's)
 GRITSTONE HEATHER
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's)
 MIDNIGHT NAVY
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's)
 BLACK
Merino 200 Oasis Long Sleeve Crewe Thermal Top (Men's)
+ 1 more
Quick buy
SWIX
RaceX BodyW Halfzip Wind (Men's)
$80.00
S M L XL
Quick buy
SWIX
RaceX Bodywear Halfzip Wind (Women's)
$80.00
S M L
Quick buy
SMARTWOOL
Intraknit Thermal Merino Base Layer 1/4 Zip (Men's) - SW016260
$170.00
S M L XL 2XL
BLACK-WHITE
Intraknit Thermal Merino Base Layer 1/4 Zip (Men's) - SW016260
Quick buy
SMARTWOOL
Intraknit Thermal Merino Base Layer Crew (Men's) - SW019286
$160.00
S M L XL 2XL
BLACK-WHITE
Intraknit Thermal Merino Base Layer Crew (Men's) - SW019286
Quick buy
SWIX
RaceX Classic Wind Half Zip (Women's)
$85.00
Sold out
S M L
BLACK
RaceX Classic Wind Half Zip (Women's)
Quick buy
SMARTWOOL
Intraknit Thermal Merino Base Layer Pattern Crew (Women's)
From $98.00 $160.00
Sold out
S M L
PECAN BROWN - DEEP NAVY
Intraknit Thermal Merino Base Layer Pattern Crew (Women's)
Quick buy
ARC'TERYX
Rho LT Crew Neck (Men's)
$120.00
Sold out
M L
PYTHEAS-BLUE TETRA
Rho LT Crew Neck (Men's)
Quick buy
ICEBREAKER
Merino Sphere II Short Sleeve Scoop T-Shirt (Women's)
$60.00 $90.00
Sold out
XS S M L
FRESH HEATHER
Merino Sphere II Short Sleeve Scoop T-Shirt (Women's)
 GO BERRY HEATHER
Merino Sphere II Short Sleeve Scoop T-Shirt (Women's)
Quick buy
ICEBREAKER
Merino Central Classic Short Sleeve T-Shirt (Men's)
$80.00
Sold out
M L XL
LODEN
Merino Central Classic Short Sleeve T-Shirt (Men's)
Quick buy
SMARTWOOL
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
$160.00
Sold out
S M L XL
BLACK CHERRY - VIOLET
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
 BLACK - WHITE
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
 BLACK CHERRY
Intraknit™ Thermal Merino Base Layer Crew (Women's) - SW019284
Quick buy
SMARTWOOL
Merino Sport Ultralite Short Sleeve (Women's)
$75.00
Sold out
XS S M L XL
GUAVA PINK
Merino Sport Ultralite Short Sleeve (Women's)
 POOL BLUE
Merino Sport Ultralite Short Sleeve (Women's)
 HAWAIIAN SURF
Merino Sport Ultralite Short Sleeve (Women's)
Quick buy
SMARTWOOL
Merino Sport Ultralite Mountain Bike ¾ Sleeve Tee (Men's)
$100.00
Sold out
L XL
PICANTE
Merino Sport Ultralite Mountain Bike ¾ Sleeve Tee (Men's)
Quick buy
WOOLPOWER
Crewneck 200 Long Sleeve (Unisex)
$81.75 $136.25
Sold out
XS S M L XL 2XL
PINE GREEN
Crewneck 200 Long Sleeve (Unisex)
 GREY
Crewneck 200 Long Sleeve (Unisex)
 BLACK
Crewneck 200 Long Sleeve (Unisex)
Quick buy
SMARTWOOL
Intraknit™ Thermal Merino Base Layer Colorblock Crew (Men's) - SW016453
From $120.00 $160.00
Sold out
S M L XL
CHARCOAL-HONEY GOLD
Intraknit™ Thermal Merino Base Layer Colorblock Crew (Men's) - SW016453
Quick buy
SMARTWOOL
Intraknit Thermal Merino Base Layer Colorblock 1/4 Zip (Women's) - SW016456
From $120.00 $170.00
Sold out
XS S M L
PECAN BROWN
Intraknit Thermal Merino Base Layer Colorblock 1/4 Zip (Women's) - SW016456
 DEEP NAVY
Intraknit Thermal Merino Base Layer Colorblock 1/4 Zip (Women's) - SW016456