loaded 22 results

Icebreaker Base Layer Tops

(22 products)

Products (22)

Sort : Best Match

Showing 30 results per page
Show 90 results per page

REI Outlet
IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Thermal Top - Men's

$89.73 compared to $120.00
You save 25%

6 reviews with an average rating of 4.3 out of 5 stars
Top Rated
Icebreaker200 Oasis Long-Sleeve Crewe Ski Tracks Base Layer Top - Women's

$79.93 compared to $115.00
You save 30%

11 reviews with an average rating of 4.7 out of 5 stars
REI Outlet
IcebreakerBodyfitZone Merino 200 Zone Long-Sleeve Thermal Half-Zip Top - Men's

$96.73 compared to $130.00
You save 25%

48 reviews with an average rating of 4.7 out of 5 stars
REI Outlet
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's

$76.73 compared to $105.00
You save 26%

32 reviews with an average rating of 4.5 out of 5 stars
Colors
Top Rated
Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
$104.93 - $150.00

6 reviews with an average rating of 5.0 out of 5 stars
Colors
Top Rated
Icebreaker260 Tech Long-Sleeve Half-Zip Base Layer Top - Women's
$93.93 - $150.00

60 reviews with an average rating of 4.9 out of 5 stars
Top Rated
IcebreakerMerino Long-Sleeve Roll-Neck Base Layer Top - Women's

$220.00
13 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women's
$86.93 - $125.00

465 reviews with an average rating of 4.9 out of 5 stars
Colors
Top Rated
Icebreaker200 Oasis Crewe Base Layer Top - Men's

$95.00
252 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
Icebreaker260 Tech Half-Zip Base Layer Top - Men's
$93.93 - $135.00

365 reviews with an average rating of 4.7 out of 5 stars
Colors
Top Rated
Icebreaker260 Tech Crewe Base Layer Top - Men's
$86.93 - $125.00

396 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
Icebreaker260 Zone Half-Zip Base Layer Top - Women's

$104.93 compared to $150.00
You save 30%

283 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
Icebreaker200 Oasis Half-Zip Base Layer Top - Men's

$115.00
292 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
Icebreaker200 Oasis Crew Top - Men's
$72.93 - $105.00

818 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
Icebreaker200 Oasis Half-Zip Top - Women's
$79.93 - $115.00

250 reviews with an average rating of 4.7 out of 5 stars
Colors
Top Rated
Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'

$41.93 compared to $60.00
You save 30%

116 reviews with an average rating of 4.8 out of 5 stars
Icebreaker200 Oasis Long-Sleeve Crewe Lichen Base Layer Top - Women's

$79.93 compared to $115.00
You save 30%

3 reviews with an average rating of 4.3 out of 5 stars
New arrival
Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's

$125.00
0 reviews
Colors
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Top - Kids'

$65.93 compared to $95.00
You save 30%

18 reviews with an average rating of 4.8 out of 5 stars
New arrival
Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's

$125.00
0 reviews
Colors
Top Rated
Icebreaker250 Vertex Half-Zip Base Layer Top - Women's

$104.93 compared to $150.00
You save 30%

311 reviews with an average rating of 4.9 out of 5 stars
Colors
Top Rated
Icebreaker200 Oasis Crew Top - Women's
$72.93 - $105.00

771 reviews with an average rating of 4.8 out of 5 stars

Get the latest deals, news, & more from REI Co-op!

Icebreaker Base Layer Tops

IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Thermal Top - Men's

Icebreaker200 Oasis Long-Sleeve Crewe Ski Tracks Base Layer Top - Women's

IcebreakerBodyfitZone Merino 200 Zone Long-Sleeve Thermal Half-Zip Top - Men's

IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's

Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's

Icebreaker260 Tech Long-Sleeve Half-Zip Base Layer Top - Women's

IcebreakerMerino Long-Sleeve Roll-Neck Base Layer Top - Women's

Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women's

Icebreaker200 Oasis Crewe Base Layer Top - Men's

Icebreaker260 Tech Half-Zip Base Layer Top - Men's

Icebreaker260 Tech Crewe Base Layer Top - Men's

Icebreaker260 Zone Half-Zip Base Layer Top - Women's

Icebreaker200 Oasis Half-Zip Base Layer Top - Men's

Icebreaker200 Oasis Crew Top - Men's

Icebreaker200 Oasis Half-Zip Top - Women's

Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'

Icebreaker200 Oasis Long-Sleeve Crewe Lichen Base Layer Top - Women's

Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's

IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Top - Kids'

Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's

Icebreaker250 Vertex Half-Zip Base Layer Top - Women's

Icebreaker200 Oasis Crew Top - Women's

You can compare up to 4 items at a time.

Filter

Filter by Find in store

Filter by Categories

Filter by Gender

Filter by Underwear Weight

Filter by Fabric Type

Filter by Size Type

Filter by Size

Filter by Features

Filter by Shirt Type

Filter by Color

Filter by Fabric Pattern

Filter by Deals

Filter by Best Use

Filter by Sleeve Length

Filter by Sustainability

Filter by Rating

Filter by Price

IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Thermal Top - Men's

Icebreaker200 Oasis Long-Sleeve Crewe Ski Tracks Base Layer Top - Women's

IcebreakerBodyfitZone Merino 200 Zone Long-Sleeve Thermal Half-Zip Top - Men's

IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's

Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's

Icebreaker260 Tech Long-Sleeve Half-Zip Base Layer Top - Women's

IcebreakerMerino Long-Sleeve Roll-Neck Base Layer Top - Women's

Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women's

Icebreaker200 Oasis Crewe Base Layer Top - Men's

Icebreaker260 Tech Half-Zip Base Layer Top - Men's

Icebreaker260 Tech Crewe Base Layer Top - Men's

Icebreaker260 Zone Half-Zip Base Layer Top - Women's

Icebreaker200 Oasis Half-Zip Base Layer Top - Men's

Icebreaker200 Oasis Crew Top - Men's

Icebreaker200 Oasis Half-Zip Top - Women's

Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'

Icebreaker200 Oasis Long-Sleeve Crewe Lichen Base Layer Top - Women's

Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's

IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Top - Kids'

Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's

Icebreaker250 Vertex Half-Zip Base Layer Top - Women's

Icebreaker200 Oasis Crew Top - Women's