Filter Categories
On Sale
Filter Discount
Filter Price
Filter Brand
Filter Merchant


Base Layer Gear on Sale

2,466 Total Items
REI.com
25%
off
Smartwool Women's Classic Thermal Merino Base Layer Quarter-Zip
$89.73  $120.00
Smartwool Women's Classic Thermal Merino Base Layer Quarter-Zip
REI.com
25%
off
Smartwool Men's Classic Thermal Merino Base Layer Quarter-Zip
$89.73  $120.00
Smartwool Men's Classic Thermal Merino Base Layer Quarter-Zip
REI.com
25%
off
Smartwool Men's Intraknit Active Base Layer Bottoms
$81.73  $110.00
Smartwool Men's Intraknit Active Base Layer Bottoms
REI.com
25%
off
Terramar Women's 2.0 Cloud Nine Midweight Performance Thermal Turtleneck
$35.73  $48.00
Terramar Women's 2.0 Cloud Nine Midweight Performance Thermal Turtleneck
REI.com
25%
off
Terramar Women's 2.0 Cloud Nine Midweight Performance Base Layer Scoop Shirt
$33.73  $45.00
Terramar Women's 2.0 Cloud Nine Midweight Performance Base Layer Scoop Shirt
REI.com
25%
off
Icebreaker Women's 125 ZoneKnit Thermal Base Layer Leggings
$93.73  $125.00
Icebreaker Women's 125 ZoneKnit Thermal Base Layer Leggings
REI.com
25%
off
Icebreaker Women's 125 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top
$93.73  $125.00
Icebreaker Women's 125 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top
REI.com
25%
off
Icebreaker Women's Merino 260 Tech Thermal Base Layer Leggings
$93.73  $125.00
Icebreaker Women's Merino 260 Tech Thermal Base Layer Leggings
REI.com
25%
off
Icebreaker Men's Merino 260 Tech Thermal Base Layer Leggings With Fly
$93.73  $125.00
Icebreaker Men's Merino 260 Tech Thermal Base Layer Leggings With Fly
REI.com
25%
off
Icebreaker Men's Merino 260 Tech Long-Sleeve Half-Zip Base Layer Top
$101.19  $135.00
Icebreaker Men's Merino 260 Tech Long-Sleeve Half-Zip Base Layer Top
REI.com
25%
off
Icebreaker Men's 200 Oasis Long-Sleeve Half-Zip Base Layer Top
$86.19  $115.00
Icebreaker Men's 200 Oasis Long-Sleeve Half-Zip Base Layer Top
REI.com
25%
off
Icebreaker Women's 200 Oasis Long-Sleeve Half-Zip Base Layer Top
$86.19  $115.00
Icebreaker Women's 200 Oasis Long-Sleeve Half-Zip Base Layer Top
REI.com
25%
off
Icebreaker Women's Merino 150 Tech Lite III Relaxed T-Shirt
$59.99  $80.00
Icebreaker Women's Merino 150 Tech Lite III Relaxed T-Shirt
REI.com
25%
off
Icebreaker Women's 260 Tech High-Rise Base Layer Leggings
$93.69  $125.00
Icebreaker Women's 260 Tech High-Rise Base Layer Leggings
REI.com
25%
off
Icebreaker Women's Merino 260 Tech Long-Sleeve Half-Zip Base Layer Top
$101.19  $135.00
Icebreaker Women's Merino 260 Tech Long-Sleeve Half-Zip Base Layer Top
REI.com
25%
off
Icebreaker Men's 125 ZoneKnit Merino Long-Sleeve Crewe Thermal Top
$93.73  $125.00
Icebreaker Men's 125 ZoneKnit Merino Long-Sleeve Crewe Thermal Top
REI.com
25%
off
Icebreaker Men's 125 ZoneKnit Merino Thermal Leggings
$93.73  $125.00
Icebreaker Men's 125 ZoneKnit Merino Thermal Leggings
REI.com
25%
off
Icebreaker Women's 200 Oasis Sonebula Base Layer Leggings
$89.73  $120.00
Icebreaker Women's 200 Oasis Sonebula Base Layer Leggings
REI.com
25%
off
Icebreaker Women's Merino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top
$104.73  $140.00
Icebreaker Women's Merino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top
REI.com
25%
off
Icebreaker Men's Merino 200 Sonebula Long-Sleeve Crewe Base Layer Top
$89.73  $120.00
Icebreaker Men's Merino 200 Sonebula Long-Sleeve Crewe Base Layer Top
REI.com
25%
off
Icebreaker Women's Merino 200 Oasis Long-Sleeve Crewe Macro Forms Base Layer Top
$85.73  $115.00
Icebreaker Women's Merino 200 Oasis Long-Sleeve Crewe Macro Forms Base Layer Top
REI.com
25%
off
Icebreaker Women's Merino Base Layer Leggings
$149.73  $200.00
Icebreaker Women's Merino Base Layer Leggings
REI.com
25%
off
Icebreaker Women's Merino 200 Oasis Thermal Leggings
$78.69  $105.00
Icebreaker Women's Merino 200 Oasis Thermal Leggings
REI.com
25%
off
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
$78.69  $105.00
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
REI.com
25%
off
Icebreaker Women's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
$78.69  $105.00
Icebreaker Women's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
REI.com
25%
off
Icebreaker Men's Merino 200 Oasis Base Layer Leggings with Fly
$78.69  $105.00
Icebreaker Men's Merino 200 Oasis Base Layer Leggings with Fly
REI.com
25%
off
Icebreaker Men's Merino 260 Tech Long-Sleeve Crewe Thermal Top
$93.69  $125.00
Icebreaker Men's Merino 260 Tech Long-Sleeve Crewe Thermal Top
REI.com
25%
off
Icebreaker Men's 200 Oasis Crewe Base Layer Top
$71.19  $95.00
Icebreaker Men's 200 Oasis Crewe Base Layer Top
REI.com
25%
off
Icebreaker Men's 260 Merino Tech Thermal Leggings with Fly
$93.69  $125.00
Icebreaker Men's 260 Merino Tech Thermal Leggings with Fly
REI.com
25%
off
Icebreaker Men's 200 Sonebula Leggings
$89.73  $120.00
Icebreaker Men's 200 Sonebula Leggings
REI.com
25%
off
Icebreaker Women's 260 Tech Long-Sleeve Crewe Base Layer Top
$93.69  $125.00
Icebreaker Women's 260 Tech Long-Sleeve Crewe Base Layer Top
REI.com
25%
off
Icebreaker Women's 200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top
$89.73  $120.00
Icebreaker Women's 200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top
REI.com
25%
off
Icebreaker Women's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
$78.73  $105.00
Icebreaker Women's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
REI.com
25%
off
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
$78.73  $105.00
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
REI.com
25%
off
Icebreaker Men's 150 Anatomica Crewe Base Layer Top
$56.19  $75.00
Icebreaker Men's 150 Anatomica Crewe Base Layer Top
REI.com
25%
off
Icebreaker Women's Merino 200 ZoneKnit Long-Sleeve Half-Zip Thermal Base Layer Top
$119.73  $160.00
Icebreaker Women's Merino 200 ZoneKnit Long-Sleeve Half-Zip Thermal Base Layer Top
REI.com
25%
off
Icebreaker Women's Merino 200 Oasis Thermal Base Layer Leggings
$78.73  $105.00
Icebreaker Women's Merino 200 Oasis Thermal Base Layer Leggings
REI.com
25%
off
Icebreaker Men's 125 ZoneKnit Long-Sleeve Crewe Base Layer Top
$93.69  $125.00
Icebreaker Men's 125 ZoneKnit Long-Sleeve Crewe Base Layer Top
REI.com
25%
off
Icebreaker Men's 125 ZoneKnit Base Layer Leggings
$93.69  $125.00
Icebreaker Men's 125 ZoneKnit Base Layer Leggings
REI.com
25%
off
Icebreaker Men's Merino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top
$119.73  $160.00
Icebreaker Men's Merino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top
REI.com
25%
off
Patagonia Capilene Midweight Base Layer Bottoms - Infants'
$21.73  $29.00
Patagonia Capilene Midweight Base Layer Bottoms - Infants'
REI.com
25%
off
Mountain Hardwear Men's Mountain Stretch Base Layer Tights
$55.73  $75.00
Mountain Hardwear Men's Mountain Stretch Base Layer Tights
REI.com
24%
off
Terramar Women's 3.0 Thermawool Half-Zip Base Layer Top
$56.73  $75.00
Terramar Women's 3.0 Thermawool Half-Zip Base Layer Top
REI.com
24%
off
Terramar Women's 3.0 Thermawool Base Layer Tights
$52.73  $70.00
Terramar Women's 3.0 Thermawool Base Layer Tights
REI.com
24%
off
Terramar Women's 3.0 Thermawool Crew Base Layer Top
$52.73  $70.00
Terramar Women's 3.0 Thermawool Crew Base Layer Top
REI.com
24%
off
Patagonia Women's Capilene Midweight Zip-Neck Base Layer Top
$74.73  $99.00
Patagonia Women's Capilene Midweight Zip-Neck Base Layer Top
REI.com
24%
off
Helly Hansen Women's Lifa Merino Midweight Graphic Base Layer Top
$82.73  $110.00
Helly Hansen Women's Lifa Merino Midweight Graphic Base Layer Top
REI.com
24%
off
Helly Hansen Women's LIFA Merino Midweight Graphic Base Layer Pants
$82.73  $110.00
Helly Hansen Women's LIFA Merino Midweight Graphic Base Layer Pants
Page 21 of 52
Brands A B C D E F G H I J K L M N O P Q R S T U V W X Y Z