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Base Layer on Sale

2,569 Total Items
REI.com
25%
off
Kari Traa Women's Fierce Long-Sleeve Base Layer Top
$44.73  $60.00
Kari Traa Women's Fierce Long-Sleeve Base Layer Top
REI.com
25%
off
Kari Traa Women's Voss Cashmere Mix Half-Zip Base Layer Top
$134.73  $180.00
Kari Traa Women's Voss Cashmere Mix Half-Zip Base Layer Top
REI.com
25%
off
Kari Traa Women's Silja Long-Sleeve Base Layer Top
$89.73  $120.00
Kari Traa Women's Silja Long-Sleeve Base Layer Top
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
25%
off
Kari Traa Women's Silja Base Layer Pants
$89.73  $120.00
Kari Traa Women's Silja Base Layer Pants
REI.com
25%
off
Kari Traa Women's Juliane Wool Half-Zip Base Layer Top
$104.73  $140.00
Kari Traa Women's Juliane Wool Half-Zip Base Layer Top
REI.com
25%
off
Kari Traa Women's Fryd Base Layer Top
$44.99  $60.00
Kari Traa Women's Fryd Base Layer Top
REI.com
25%
off
Kari Traa Women's Lucie Long-Sleeve Base Layer Top
$71.19  $95.00
Kari Traa Women's Lucie Long-Sleeve Base Layer Top
REI.com
25%
off
Kari Traa Women's Faith Half-Zip Base Layer Top
$89.99  $120.00
Kari Traa Women's Faith Half-Zip Base Layer Top
REI.com
25%
off
Kari Traa Women's Rose Capri High-Waist Base Layer Bottoms
$74.99  $100.00
Kari Traa Women's Rose Capri High-Waist Base Layer Bottoms
REI.com
25%
off
Kari Traa Women's Faith Base Layer Pants
$82.49  $110.00
Kari Traa Women's Faith Base Layer Pants
REI.com
25%
off
Kari Traa Women's Sara Half-Zip Base Layer Top
$82.49  $110.00
Kari Traa Women's Sara Half-Zip Base Layer Top
REI.com
25%
off
Kari Traa Women's Sara Long-Sleeve Base Layer Top
$74.99  $100.00
Kari Traa Women's Sara Long-Sleeve Base Layer Top
REI.com
25%
off
Kari Traa Women's Sara Base Layer Pants
$74.99  $100.00
Kari Traa Women's Sara Base Layer Pants
REI.com
25%
off
Kari Traa Women's Lucie Base Layer Pants
$59.73  $80.00
Kari Traa Women's Lucie Base Layer Pants
REI.com
25%
off
Icebreaker Women's 125 ZoneKnit Base Layer Leggings
$93.69  $125.00
Icebreaker Women's 125 ZoneKnit Base Layer Leggings
REI.com
25%
off
Icebreaker Women's 125 ZoneKnit Long-Sleeve Crewe Base Layer Top
$93.69  $125.00
Icebreaker Women'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 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 Women's Merino 260 Vertex Long-Sleeve Half-Zip Herenga Base Layer Top
$112.49  $150.00
Icebreaker Women's Merino 260 Vertex Long-Sleeve Half-Zip Herenga Base Layer Top
REI.com
25%
off
Icebreaker Women's Merino 260 Vertex Base Layer Leggings Herenga
$104.99  $140.00
Icebreaker Women's Merino 260 Vertex Base Layer Leggings Herenga
REI.com
25%
off
Icebreaker Women's Merino 200 Sonebula Long-Sleeve Crew Base Layer Top
$89.99  $120.00
Icebreaker Women's Merino 200 Sonebula Long-Sleeve Crew 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 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 Men's Merino 175 Everyday Long-Sleeve Crewe Thermal Top
$63.73  $85.00
Icebreaker Men's Merino 175 Everyday Long-Sleeve Crewe Thermal Top
REI.com
25%
off
Icebreaker Women's 300 MerinoFine Long-Sleeve Roll-Neck Base Layer Top
$164.73  $220.00
Icebreaker Women's 300 MerinoFine Long-Sleeve Roll-Neck Base Layer Top
REI.com
25%
off
Helly Hansen Women's Lifa Active Graphic Crew Base Layer Top
$48.73  $65.00
Helly Hansen Women's Lifa Active Graphic Crew Base Layer Top
REI.com
25%
off
Helly Hansen Women's LIFA Merino Midweight Base Layer 3/4 Pants
$59.73  $80.00
Helly Hansen Women's LIFA Merino Midweight Base Layer 3/4 Pants
REI.com
25%
off
Helly Hansen Women's LIFA ACTIVE Stripe Crew Base Layer Top
$44.73  $60.00
Helly Hansen Women's LIFA ACTIVE Stripe Crew Base Layer Top
REI.com
25%
off
Helly Hansen Women's Verglas Half-Zip Top
$63.73  $85.00
Helly Hansen Women's Verglas Half-Zip Top
REI.com
25%
off
Icebreaker Men's Merino 200 Sonebula Long-Sleeve High-Neck Base Layer Top
$93.73  $125.00
Icebreaker Men's Merino 200 Sonebula Long-Sleeve High-Neck Base Layer Top
REI.com
25%
off
Icebreaker Women's Merino 200 Sonebula Long-Sleeve High-Neck Base Layer Top
$93.73  $125.00
Icebreaker Women's Merino 200 Sonebula Long-Sleeve High-Neck 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 Men's 200 ZoneKnit Merino Thermal Base Layer Leggings
$111.73  $150.00
Icebreaker Men's 200 ZoneKnit Merino Thermal Base Layer Leggings
REI.com
25%
off
Icebreaker Women's Merino 260 Vertex Natural Shades Base Layer Leggings
$104.73  $140.00
Icebreaker Women's Merino 260 Vertex Natural Shades Base Layer Leggings
REI.com
25%
off
Icebreaker Women's Merino 260 Vertex Glacial Flow Base Layer Leggings
$104.73  $140.00
Icebreaker Women's Merino 260 Vertex Glacial Flow Base Layer Leggings
REI.com
25%
off
Icebreaker Men's 200 Oasis First Snow Base Layer Leggings
$89.73  $120.00
Icebreaker Men's 200 Oasis First Snow Base Layer Leggings
REI.com
25%
off
Icebreaker Women's 200 Oasis Macro Forms Base Layer Leggings
$85.73  $115.00
Icebreaker Women's 200 Oasis Macro Forms Base Layer Leggings
REI.com
25%
off
Icebreaker Women's 175 Everyday Base Layer Leggings
$63.73  $85.00
Icebreaker Women's 175 Everyday Base Layer Leggings
REI.com
25%
off
Icebreaker Men's Merino 260 Vertex Natural Shades Base Layer Leggings
$104.73  $140.00
Icebreaker Men's Merino 260 Vertex Natural Shades Base Layer Leggings
REI.com
25%
off
Icebreaker Women's Merino 260 Vertex Long-Sleeve Crewe Glacial Flow Base Layer Top
$104.73  $140.00
Icebreaker Women's Merino 260 Vertex Long-Sleeve Crewe Glacial Flow Base Layer Top
REI.com
25%
off
Icebreaker Men's Merino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top
$104.73  $140.00
Icebreaker Men's Merino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top
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 Men's 200 Oasis Long-Sleeve Crewe Last Run Base Layer Top
$85.73  $115.00
Icebreaker Men's 200 Oasis Long-Sleeve Crewe Last Run 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 Men's Merino 200 Oasis Long-Sleeve Crewe Remarkables Base Layer Top
$85.73  $115.00
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Remarkables Base Layer Top
REI.com
25%
off
Kari Traa Women's Edith Long-Sleeve Base Layer Top
$74.73  $100.00
Kari Traa Women's Edith Long-Sleeve Base Layer Top
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