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Icebreaker Base Layer Bottoms

(25 products)

Products (25)

Sort: Best Match

Top Rated
IcebreakerMerino 260 Tech Thermal Base Layer Leggings - Women's
$93.73
Save 25%
compared to $125.00
Save up to 30% extra on your REI Outlet purchase
20 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
REI OUTLET
Icebreaker125 ZoneKnit Base Layer Leggings - Men's
$125.00
0 reviews
Underwear Weight:
Ultralightweight
Size Type:
Regular, Big
IcebreakerMerino 200 Oasis Thermal Leggings - Women's
$105.00
66 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Top Rated
Icebreaker260 Merino Tech Thermal Leggings with Fly - Men's
$125.00
51 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
Icebreaker260 Tech High-Rise Base Layer Leggings - Women's
$125.00
13 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
IcebreakerMerino 200 Oasis Base Layer Leggings with Fly - Men's
$105.00
51 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
IcebreakerMerino 200 Oasis Thermal Base Layer Leggings - Women's
$78.73
Save 25%
compared to $105.00
Save up to 30% extra on your REI Outlet purchase
66 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
REI OUTLET
IcebreakerMerino 260 Vertex Natural Shades Base Layer Leggings - Women's
$104.73
Save 25%
compared to $140.00
Save up to 30% extra on your REI Outlet purchase
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
Save up to 30% extra on your REI Outlet purchase
3 reviews with an average rating of 4.0 out of 5 stars
Size Type:
Regular
REI OUTLET
Top Rated
Icebreaker175 Everyday Base Layer Leggings - Women's
$63.73
Save 25%
compared to $85.00
Save up to 30% extra on your REI Outlet purchase
16 reviews with an average rating of 4.9 out of 5 stars
Size Type:
Regular
REI OUTLET
IcebreakerMerino 200 Sonebula Thermal Base Layer Leggings - Women's
$120.00
9 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Icebreaker200 Oasis 3/4 Base Layer Bottoms - Men's
$95.00
10 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Icebreaker200 Oasis Macro Forms Base Layer Leggings - Women's
$85.73
Save 25%
compared to $115.00
Save up to 30% extra on your REI Outlet purchase
4 reviews with an average rating of 5.0 out of 5 stars
Size Type:
Regular
REI OUTLET
Icebreaker200 Sonebula Leggings - Men's
$89.73
Save 25%
compared to $120.00
Save up to 30% extra on your REI Outlet purchase
4 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI OUTLET
IcebreakerMerino Base Layer Leggings - Women's
$149.73
Save 25%
compared to $200.00
Save up to 30% extra on your REI Outlet purchase
3 reviews with an average rating of 4.3 out of 5 stars
Size Type:
Regular
REI OUTLET
Top Rated
Icebreaker260 ZoneKnit Base Layer Leggings - Men's
$119.73
Save 27%
compared to $165.00
Save up to 30% extra on your REI Outlet purchase
9 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
REI OUTLET
Top Rated
IcebreakerMerino 260 Tech Thermal Base Layer Leggings With Fly - Men's
$93.73
Save 25%
compared to $125.00
Save up to 30% extra on your REI Outlet purchase
34 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
REI OUTLET
Icebreaker200 ZoneKnit Thermal Base Layer Leggings - Women's
$109.73
Save 26%
compared to $150.00
Save up to 30% extra on your REI Outlet purchase
4 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Icebreaker200 Oasis Sonebula Base Layer Leggings - Women's
$89.73
Save 25%
compared to $120.00
Save up to 30% extra on your REI Outlet purchase
1 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Top Rated
IcebreakerMerino 260 Tech Thermal Base Layer Leggings - Kids'
$49.73
Save 28%
compared to $70.00
Save up to 30% extra on your REI Outlet purchase
7 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
Icebreaker125 ZoneKnit Thermal Base Layer Leggings - Women's
$93.73
Save 25%
compared to $125.00
Save up to 30% extra on your REI Outlet purchase
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Icebreaker125 ZoneKnit Merino Thermal Leggings - Men's
$93.73
Save 25%
compared to $125.00
Save up to 30% extra on your REI Outlet purchase
0 reviews
Underwear Weight:
Ultralightweight
Size Type:
Regular, Big
REI OUTLET
Icebreaker200 ZoneKnit Merino Thermal Base Layer Leggings - Men's
$109.73
Save 26%
compared to $150.00
Save up to 30% extra on your REI Outlet purchase
6 reviews with an average rating of 4.2 out of 5 stars
Size Type:
Regular, Big
REI OUTLET
Icebreaker125 ZoneKnit Base Layer Leggings - Women's
$61.83
Save 50%
compared to $125.00
10 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
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

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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