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Icebreaker Base Layer Shirts - Moosejaw

Icebreaker Long Underwear Tops

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Icebreaker Women's Vertex LS Half Zip Flurry Top
  • BLUE
  • BLACK
  • GREY

Icebreaker
Women's Vertex LS Half Zip Flurry Top

$111.99 - $140.00
up to 20% off
Icebreaker Women's Siren LS Sweetheart Top
  • GREY
  • BLACK
  • BLUE
  • GREEN
  • GREY
  • KHAKI
  • PINK
  • PURPLE

Icebreaker
Women's Siren LS Sweetheart Top

$63.99 - $80.00
up to 20% off
Icebreaker Men's Oasis LS Crewe
  • BLACK
  • BLUE
  • BLUE
  • GREY
  • GREY
  • RED

Icebreaker
Men's Oasis LS Crewe

$49.99 - $90.00
up to 44% off
Icebreaker Men's Tech Top LS Crewe
  • KHAKI
  • BLUE
  • GREY

Icebreaker
Men's Tech Top LS Crewe

$60.99   $110.00
45% off
Icebreaker Women's Oasis LS Crewe
  • BLUE
  • BLACK
  • BLUE
  • GREY
  • PURPLE

Icebreaker
Women's Oasis LS Crewe

$66.99 - $90.00
up to 26% off
Icebreaker Women's Oasis LS Half Zip
  • BLACK
  • BLUE
  • GREY
  • GREY
  • PINK

Icebreaker
Women's Oasis LS Half Zip

$74.99 - $100.00
up to 25% off
Icebreaker Men's Oasis LS Half Zip
  • KHAKI
  • BLACK
  • BLUE

Icebreaker
Men's Oasis LS Half Zip

$54.99 - $100.00
up to 45% off
Icebreaker Men's Zone LS Crewe
  • BLUE
  • BLACK

Icebreaker
Men's Zone LS Crewe

$60.99 - $110.00
up to 45% off
Icebreaker Men's Everyday LS Half Zip
  • GREEN
  • BLACK

Icebreaker
Men's Everyday LS Half Zip

$59.99 - $80.00
up to 25% off
Icebreaker Women's Siren Tank
  • RED
  • BLACK
  • BLACK
  • BLACK
  • BLUE
  • BLUE
  • BROWN
  • GREY
  • GREY
  • PINK
  • PURPLE
  • RED
  • RED

Icebreaker
Women's Siren Tank

$38.99 - $60.00
up to 35% off
Icebreaker Men's Everyday LS Crewe
  • GREEN
  • BLACK

Icebreaker
Men's Everyday LS Crewe

$48.99 - $70.00
up to 30% off
Icebreaker Women's Siren Cami
  • RED
  • BLACK
  • BLUE
  • BROWN
  • OFFWHITE

Icebreaker
Women's Siren Cami

$34.99 - $55.00
up to 36% off
Icebreaker Men's Winter Zone LS Half Zip
  • BLUE

Icebreaker
Men's Winter Zone LS Half Zip

$71.99   $130.00
45% off
Icebreaker Women's Everyday LS Crewe
  • RED
  • BLACK

Icebreaker
Women's Everyday LS Crewe

$55.99 - $70.00
up to 20% off
Icebreaker Men's Tech Lite LS Crewe
  • BLACK

Icebreaker
Men's Tech Lite LS Crewe

$49.99   $90.00
44% off
Icebreaker Men's Tech Top LS Half Zip Top
  • GREY
  • BLACK

Icebreaker
Men's Tech Top LS Half Zip Top

$65.99 - $120.00
up to 45% off
Icebreaker Women's Zeal LS Half Zip Top
  • GREY
  • BLUE

Icebreaker
Women's Zeal LS Half Zip Top

From $57.99   $90.00
up to 36% off
Icebreaker Women's Siren SS Sweetheart Top
  • GREY
  • BLACK
  • BLUE
  • GREY
  • YELLOW

Icebreaker
Women's Siren SS Sweetheart Top

$55.99 - $70.00
up to 20% off
Load (48) more products

 

About Icebreaker Base Layer Tops:

Nothing better to break the ice than a form-fitting Icebreaker long underwear top, right fellas? Hi there. Why, yes, these are my abs. All eight of them. Yeah, you can touch them. They don't bite. Okay, I'm done.

Not only are Icebreaker base layer shirts flattering, they happen to be extremely functional, too. With innovative technology inspired by nature and made for performance in any kind of weather, Icebreaker baselayer tops adapt to your body temp and offer maximum breathability, mobility, and comfortability. Wanted to match it all there. Sorry, grammar fans.

Icebreaker baselayer shirts are available in several different weights to keep you dry and comfortable in warm weather, cooler weather, or very cold weather. Icebreaker baselayer shirts are the integral to any layering system, but can also be worn as a stand alone shirt.

Check out Icebreaker tops for men and women. Men's Icbreaker long underwear shirts, including Icbreaker crewe tops and zip tops feature flat-lock seams to prevent chafing and are available in several weights and styles. Ditto goes for women's Icebreaker long underwear shirts. Check out v-necks, crewe tops and zips.

Although I actually did have an uncomfortable encounter with a certain guy who wore his base layer as a top layer and had a pencil mustache, you could probably get away with it if it were by Icebreaker. The base layer, not the pencil mustache. Never have a pencil mustache. Please.