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Base Layer Gear on Sale

3,264 Total Items
REI.com
REI Co-op Men's Heavyweight Merino Long-Sleeve Base Layer Crew Top
$99.95  
REI Co-op Men's Heavyweight Merino Long-Sleeve Base Layer Crew Top
REI.com
REI Co-op Men's Heavyweight Merino Base Layer Bottoms
$99.95  
REI Co-op Men's Heavyweight Merino Base Layer Bottoms
REI.com
REI Co-op Women's Heavyweight Merino Long-Sleeve Base Layer Crew Top
$99.95  
REI Co-op Women's Heavyweight Merino Long-Sleeve Base Layer Crew Top
REI.com
REI Co-op Merino Midweight Base Layer Crew Top
$49.95  
REI Co-op Merino Midweight Base Layer Crew Top
REI.com
REI Co-op Midweight Base Layer Zip-Neck Top
$39.95  
REI Co-op Midweight Base Layer Zip-Neck Top
REI.com
REI Co-op Midweight Base Layer Crew Top
$34.95  
REI Co-op Midweight Base Layer Crew Top
REI.com
REI Co-op Midweight Base Layer Bottoms
$34.95  
REI Co-op Midweight Base Layer Bottoms
REI.com
REI Co-op Merino Midweight Base Layer Bottoms
$49.95  
REI Co-op Merino Midweight Base Layer Bottoms
REI.com
Seirus Men's Heatwave Reversible Long-Sleeve Crew Base Layer Top
$99.95  
Seirus Men's Heatwave Reversible Long-Sleeve Crew Base Layer Top
REI.com
Seirus Men's Heatwave Reversible Base Layer Bottoms
$89.95  
Seirus Men's Heatwave Reversible Base Layer Bottoms
REI.com
Seirus Men's Heatwave Lite Reversible Long-Sleeve Base Layer Top
$74.95  
Seirus Men's Heatwave Lite Reversible Long-Sleeve Base Layer Top
REI.com
Seirus Men's Heatwave Lite Reversible Base Layer Bottoms
$69.95  
Seirus Men's Heatwave Lite Reversible Base Layer Bottoms
REI.com
Seirus Women's Heatwave Body Mapped Quarter-Zip Long-Sleeve Base Layer Top
$140.00  
Seirus Women's Heatwave Body Mapped Quarter-Zip Long-Sleeve Base Layer Top
REI.com
Seirus Women's Heatwave Quick Body Mapped Long-Sleeve Base Layer Hoodie
$135.00  
Seirus Women's Heatwave Quick Body Mapped Long-Sleeve Base Layer Hoodie
REI.com
Seirus Men's Heatwave Quick Body Mapped Long-Sleeve Base Layer Hoodie
$134.95  
Seirus Men's Heatwave Quick Body Mapped Long-Sleeve Base Layer Hoodie
REI.com
Seirus Men's Heatwave Body Mapped Full-Length Base Layer Bottoms
$119.95  
Seirus Men's Heatwave Body Mapped Full-Length Base Layer Bottoms
REI.com
Seirus Women's Heatwave All Season Reversible Long-Sleeve Base Layer Top
$75.00  
Seirus Women's Heatwave All Season Reversible Long-Sleeve Base Layer Top
REI.com
Seirus Men's Heatwave Body Mapped Long-Sleeve Base Layer Crew Top
$129.95  
Seirus Men's Heatwave Body Mapped Long-Sleeve Base Layer Crew Top
REI.com
Seirus Women's Heatwave All Season Full-Length Base Layer Bottoms
$70.00  
Seirus Women's Heatwave All Season Full-Length Base Layer Bottoms
REI.com
Smartwool Men's Intraknit Thermal Merino Crew Base Layer Top
$130.00  
Smartwool Men's Intraknit Thermal Merino Crew Base Layer Top
REI.com
Smartwool Women's Intraknit Thermal Merino Crew Base Layer Top
$130.00  
Smartwool Women's Intraknit Thermal Merino Crew Base Layer Top
REI.com
Smartwool Women's Classic Thermal Merino Base Layer Bottoms Plus Sizes
$115.00  
Smartwool Women's Classic Thermal Merino Base Layer Bottoms Plus Sizes
REI.com
Smartwool Women's Classic Thermal Merino Base Layer Bottoms
$115.00  
Smartwool Women's Classic Thermal Merino Base Layer Bottoms
REI.com
Smartwool Women's Classic All-Season Merino Base Layer Bottoms
$90.00  
Smartwool Women's Classic All-Season Merino Base Layer Bottoms
REI.com
Nani Swimwear Women's Uinta Base Layer Bottoms
$75.00  
Nani Swimwear Women's Uinta Base Layer Bottoms
REI.com
Nani Swimwear Women's Uinta Base Layer Top
$80.00  
Nani Swimwear Women's Uinta Base Layer Top
REI.com
Ortovox Men's 185 Rock'n'wool Short Base Layer Pants
$100.00  
Ortovox Men's 185 Rock'n'wool Short Base Layer Pants
REI.com
Ortovox Men's 120 Comp Light Short Base Layer Pants
$70.00  
Ortovox Men's 120 Comp Light Short Base Layer Pants
REI.com
Ortovox Men's 185 Merino Rock'n'wool Long-Sleeve Base Layer Top
$110.00  
Ortovox Men's 185 Merino Rock'n'wool Long-Sleeve Base Layer Top
REI.com
Patagonia Men's Capilene Midweight Base Layer Bottoms
$79.00  
Patagonia Men's Capilene Midweight Base Layer Bottoms
REI.com
Patagonia Men's Capilene Thermal Weight Zip-Neck Top
$109.00  
Patagonia Men's Capilene Thermal Weight Zip-Neck Top
REI.com
Patagonia Women's Capilene Thermal Weight Zip-Neck Long Underwear Top
$109.00  
Patagonia Women's Capilene Thermal Weight Zip-Neck Long Underwear Top
REI.com
Patagonia Men's Capilene Thermal Weight Long Underwear Crew Top
$99.00  
Patagonia Men's Capilene Thermal Weight Long Underwear Crew Top
REI.com
Patagonia Men's Capilene Thermal Weight Long-Underwear Bottoms
$99.00  
Patagonia Men's Capilene Thermal Weight Long-Underwear Bottoms
REI.com
Patagonia Women's Capilene Thermal Weight Long Underwear Bottoms
$99.00  
Patagonia Women's Capilene Thermal Weight Long Underwear Bottoms
REI.com
Ortovox Men's 120 Cool Tec Clean Base Layer T-Shirt
$90.00  
Ortovox Men's 120 Cool Tec Clean Base Layer T-Shirt
REI.com
Ortovox Men's 120 Comp Light Base Layer Hoodie
$120.00  
Ortovox Men's 120 Comp Light Base Layer Hoodie
REI.com
Ortovox Men's 230 Competition Long-Sleeve Base Layer Top
$110.00  
Ortovox Men's 230 Competition Long-Sleeve Base Layer Top
REI.com
Ortovox Men's 230 Competition Long Base Layer Pants
$100.00  
Ortovox Men's 230 Competition Long Base Layer Pants
REI.com
Ortovox Men's 230 Competition Zip-Neck Base Layer Top
$120.00  
Ortovox Men's 230 Competition Zip-Neck Base Layer Top
REI.com
Kari Traa Women's Faith Half-Zip Base Layer Top
$120.00  
Kari Traa Women's Faith Half-Zip Base Layer Top
REI.com
Kari Traa Women's Rose Capri High-Waist Base Layer Bottoms
$100.00  
Kari Traa Women's Rose Capri High-Waist Base Layer Bottoms
REI.com
Kari Traa Women's Faith Base Layer Pants
$110.00  
Kari Traa Women's Faith Base Layer Pants
REI.com
Kari Traa Women's Sara Half-Zip Base Layer Top
$110.00  
Kari Traa Women's Sara Half-Zip Base Layer Top
REI.com
Kari Traa Women's Sara Long-Sleeve Base Layer Top
$100.00  
Kari Traa Women's Sara Long-Sleeve Base Layer Top
REI.com
Kari Traa Women's Sara Base Layer Pants
$100.00  
Kari Traa Women's Sara Base Layer Pants
REI.com
Kari Traa Women's Lucie Base Layer Bottoms
$80.00  
Kari Traa Women's Lucie Base Layer Bottoms
REI.com
Kari Traa Women's Klara High-Waist Base Layer Pant
$90.00  
Kari Traa Women's Klara High-Waist Base Layer Pant
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