REI Base Layers and Underwear

Category

Tops
Bottoms

User

Men's
Women's
Kids'
Boys'
Girls'

Price

less than $25
$25 - $49.99
$50 and above

Sort by: name | rating | price | availability | recently reviewed

REI Lightweight Base Layer Half-Zip Base Layer Top
$40
REI Silk Camisole Base Layer Top
$35
REI Lightweight Base Layer Bottoms Base Layer Bottom
$35
REI Merino Wool Half-Zip Top Base Layer Top
$44
REI Mesh MTS Briefs Base Layer Bottom
$11
REI Midweight Long Underwear Bottoms Base Layer Bottom
$21 - $29
REI Heavyweight Crew Long Underwear Top Base Layer Top
$30
REI Merino Wool Top Base Layer Top
$80
REI Silk V-Neck Base Layer Top
$45
REI Lightweight Base Layer Crew Base Layer Top
$35
REI Lightweight Base Layer Crew T-Shirt Base Layer Top
$30
REI Heavyweight Half-Zip Long Underwear Top Base Layer Top
$9
REI Silk Bottoms Base Layer Bottom
$45
REI Silk Long Underwear Bottom Base Layer Bottom
$45
REI Merino Wool Tights Base Layer Bottom
$80
REI Midweight Base Layer Long Bottoms Base Layer Bottom
$25 - $49
REI Mesh MTS Boxer Briefs Base Layer Bottom
$13
REI Merino Midweight Half-Zip Base Layer Top
$34 - $89
REI Midweight Base Layer Crew Base Layer Top
$25 - $49
REI Midweight Half-Zip Top Base Layer Top
$27 - $54
REI Silk Long-Sleeve Crew Base Layer Top
$45
REI Merino Midweight Bottom Base Layer Bottom
$24 - $79
REI Mesh MTS Boxers Base Layer Bottom
$13
REI Merino Midweight Crew Base Layer Top
$24 - $33
REI Midweight Crew Long Underwear Top Base Layer Top
$30
REI Midweight Half-Zip Long Underwear Top Base Layer Top
$35
user rating: 5 of 5 (1)
REI Midweight Polartec Power Dry Zip-T Base Layer Top
$37 MSRP
 
user rating: 4 of 5 (1)
REI Heavyweight MTS Bottoms Base Layer Bottom
$35 MSRP
REI Midweight Space Dye Tights Base Layer Bottom
REI Midweight Space Dye Zip-T Shirt Base Layer Top
REI Heavyweight Long Underwear Bottoms Base Layer Bottom
REI Heavyweight Tights Base Layer Bottom
REI Lightweight Long Underwear Crew Top Base Layer Top
REI Midweight Space Dye Crew Shirt Base Layer Top
REI Lightweight Quarter-Zip Shirt Base Layer Top
REI Lightweight Long Underwear Zip Top Base Layer Top
REI Lightweight Crew Shirt Base Layer Top
REI Lightweight Long Underwear Bottoms Base Layer Bottom
 
REI Midweight Long Underwear Crewneck Base Layer Top
 
REI Midweight Long Underwear Half-Zip Base Layer Top
REI Airflyte Top
$30 MSRP
REI Midweight Crew Print Top Base Layer Top
REI Midweight Quarter-Zip Top Base Layer Top
 
user rating: 5 of 5 (1)
REI Lightweight MTS Long-Sleeve Crew Base Layer Top
discontinued

In order to show you the most relevant gear, we have omitted some older, unreviewed products.

If you like, you can view the list with the older products included.