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Icebreaker Underwear: Deals

(54 products)

Products (54)

Sort: Best Match

IcebreakerMerino 260 Vertex Long-Sleeve Half-Zip Herenga Base Layer Top - Women's
$99.73
Save 33%
compared to $150.00
0 reviews
Size Type:
Regular
REI OUTLET
Top Rated
Icebreaker260 ZoneKnit Base Layer Leggings - Men's
$119.73
Save 27%
compared to $165.00
7 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
REI OUTLET
IcebreakerMerino Base Layer Leggings - Women's
$149.73
Save 25%
compared to $200.00
3 reviews with an average rating of 4.3 out of 5 stars
Size Type:
Regular
REI OUTLET
IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Base Layer Top - Men's
$93.73
Save 25%
compared to $125.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Icebreaker200 Oasis Macro Forms Base Layer Leggings - Women's
$85.73
Save 25%
compared to $115.00
4 reviews with an average rating of 5.0 out of 5 stars
Size Type:
Regular
REI OUTLET
IcebreakerMerino 150 Siren Bra
$34.73
Save 30%
compared to $50.00
12 reviews with an average rating of 3.4 out of 5 stars
Bra Support:
Low Impact
Support Style:
Encapsulation
Fabric:
83% wool/12% nylon/5% elastane (exclusive of decoration and elastic)
REI OUTLET
IcebreakerSprite Racerback Bra
$44.73
Save 25%
compared to $60.00
23 reviews with an average rating of 4.3 out of 5 stars
Bra Support:
Low Impact
Support Style:
Compression
Fabric:
83% merino wool/12% nylon/5% elastane (exclusive of decoration)
REI OUTLET
Icebreaker300 MerinoFine Long-Sleeve Roll-Neck Base Layer Top - Women's
$164.73
Save 25%
compared to $220.00
4 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
IcebreakerMerino 260 Vertex Long-Sleeve Crewe Glacial Flow Base Layer Top - Women's
$104.73
Save 25%
compared to $140.00
3 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
IcebreakerMerino 260 Vertex Natural Shades Base Layer Leggings - Women's
$104.73
Save 25%
compared to $140.00
3 reviews with an average rating of 5.0 out of 5 stars
Size Type:
Regular
REI OUTLET
IcebreakerMerino 260 Vertex Glacial Flow Base Layer Leggings - Women's
$104.73
Save 25%
compared to $140.00
3 reviews with an average rating of 4.0 out of 5 stars
Size Type:
Regular
REI OUTLET
IcebreakerMerino 250 Vertex Long-Sleeve Half-Zip Thermal Top Sedimentary - Women's
$89.73
Save 40%
compared to $150.00
4 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Top Rated
Icebreaker125 ZoneKnit Base Layer Leggings - Women's
$61.83
Save 50%
compared to $125.00
9 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Cloud Dye Base Layer Top - Women's
$56.83
Save 50%
compared to $115.00
13 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
$74.83
Save 50%
compared to $150.00
4 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Women's
$56.83 - $115.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women's
$61.83 - $125.00
31 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women's
$66.83 - $135.00
20 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
$61.83
Save 50%
compared to $125.00
4 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
$51.83 - $105.00
114 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
IcebreakerMerino 200 Oasis Long-Sleeve Base Layer Crew Top - Kids'
$41.93
Save 30%
compared to $60.00
7 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
IcebreakerMerino 200 Oasis Base Layer Leggings - Kids'
$41.93
Save 30%
compared to $60.00
6 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
IcebreakerMerino 200 Oasis Base Layer Leggings with Fly - Men's
$30.83 - $105.00
49 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
$36.83 - $125.00
55 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big

31–54 of 54 products

Sort: Best Match

Related Expert Advice articles

What material is best?

Wool is moisture-wicking and odor-resistant, while synthetic fabrics are more durable and less expensive.

Match the temp to the trek

Lightweight layers are best for moderate to cool temperatures. Midweight layers are best for cold temperatures. Heavyweight layers are best for below-freezing temperatures.

Find your fit

To be able to wick sweat efficiently, your next-to-skin layer needs to actually be next to your skin. A comfortably snug fit everywhere is your goal.

Read full article: How to Choose Base Layers

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