REI Base Layers and Underwear

Category

Tops
Bottoms
One-Piece Base Layers
Boxers, Briefs, Bikinis

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 Seamless Long-Sleeve T-Shirt Base Layer Top
$29
 
REI Merino Wool Half-Zip Top Base Layer Top
$90
REI Mesh MTS Briefs Base Layer Bottom
$19
REI Midweight Long Underwear Bottoms Base Layer Bottom
$11 - $29
REI Heavyweight Crew Long Underwear Top Base Layer Top
$20 - $29
REI Merino Wool Top Base Layer Top
$80
REI Heavyweight Long Underwear Bottoms Base Layer Bottom
$20
REI Silk V-Neck Base Layer Top
$45
 
REI Seamless Tights Base Layer Bottom
$24
 
REI Lightweight Long Underwear Crew Top Base Layer Top
$10 - $11
 
REI Lightweight Long Underwear Zip Top Base Layer Top
$13
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
$20 - $23
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 Long Underwear Crewneck Base Layer Top
$27
REI Midweight Base Layer Long Bottoms Base Layer Bottom
$25 - $49
REI Mesh MTS Boxer Briefs Base Layer Bottom
$23
REI Merino Midweight Half-Zip Base Layer Top
$50 - $89
REI Midweight Base Layer Crew Base Layer Top
$50
REI Midweight Half-Zip Top Base Layer Top
$55
REI Silk Long-Sleeve Crew Base Layer Top
$45
REI Merino Midweight Bottom Base Layer Bottom
$50 - $79
REI Mesh MTS Boxers Base Layer Bottom
$23
 
REI Midweight Long Underwear Half-Zip Base Layer Top
$17
 
REI Midweight Polartec Power Dry Long Underwear Half-Zip Top Base Layer Top
$24
REI Merino Midweight Crew Base Layer Top
$50
REI Midweight Crew Long Underwear Top Base Layer Top
$30
REI Midweight Half-Zip Long Underwear Top Base Layer Top
$35
REI Midweight Crew Print Top Base Layer Top
$16
REI Midweight Quarter-Zip Top Base Layer Top
$17
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 Lightweight Polartec Power Dry MTS Long-Sleeve Crew Base Layer Top
$30 MSRP
REI Lightweight MTS Polartec Power Dry Bottoms Base Layer Bottom
$30 MSRP
 
REI Micro Fleece Long Underwear Bottoms Base Layer Bottom
REI Lightweight MTS Polartec Power Dry Zip-T Base Layer Top
$33 MSRP
REI Midweight Space Dye Zip-T Shirt Base Layer Top
 
REI Heavyweight Tights Base Layer Bottom
REI Heavyweight Crew Shirt Base Layer Top
REI Midweight Space Dye Crew Shirt Base Layer Top
REI Lightweight Quarter-Zip Shirt Base Layer Top
REI Boxer Jack Underwear Boxers, Briefs, Bikini
REI Midweight MTS Bottoms Base Layer Bottom
$23 MSRP
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