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Base Layers
(474 products)Products (474)
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- Helly HansenLIFA Merino Midweight Half-Zip Base Layer Top - Men'sTop Rated$79.73Save 27%compared to  $110.00REI OUTLET
- Kari TraaKaia Base Layer Set - Women's$130.00
- Kari TraaVilma Long-Sleeve Base Layer Top - Women's$67.73Save 24%compared to  $90.00REI OUTLET
- Kari TraaEdith Long-Sleeve Base Layer Top - Women's$74.73Save 25%compared to  $100.00REI OUTLET
- Helly HansenLIFA Merino Midweight Half-Zip Base Layer Top - Women's$82.73Save 24%compared to  $110.00REI OUTLET
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Men's$84.73Save 26%compared to  $115.00REI OUTLET
- Kari TraaElse Base Layer Pants - Women's$74.73Save 25%compared to  $100.00REI OUTLET
- BurtonFleece Base Layer Set - Toddlers'$64.95
- Ortovox230 Competition Long-Sleeve Base Layer Top - Men's$110.00
- Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Men'sTop Rated$109.73Save 26%compared to  $150.00REI OUTLET
- Helly HansenLifa Merino Midweight Graphic Base Layer Top - Women'sTop Rated$79.73 - $82.73Save 24% - 27%compared to  $110.00REI OUTLET
- Kari TraaLucie Half-Zip Base Layer Top - Women's$67.73Save 24%compared to  $90.00REI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'$51.73 - $54.73Save 27% - 31%compared to  $75.00REI OUTLET
- Helly HansenLIFA Merino Midweight 2-In-1 Graphic Half-Zip Base Layer Top - Women's$86.73Save 27%compared to  $120.00REI OUTLET
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sNew arrival$79.73Save 20%compared to  $100.00REI OUTLET
- The North FaceFD Pro 160 Base Layer Crew Top - Women's$70.00
- Terramar2.0 Cloud Nine Midweight Base Layer Capri Pants - Women's$28.73Save 28%compared to  $40.00REI OUTLET
- REI Co-opMerino 185 Base Layer Bottoms - Women's Plus Sizes$79.95
- The North FaceFD Pro 160 Base Layer Tights - Women's$70.00
- ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Women's$98.73Save 38%compared to  $160.00Members, use code OUTCOLD25 to save an extra 25% on this item, thru 11/3.REI OUTLET
- BurtonFleece Base Layer Set - Toddlers'$64.95
- Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$115.00
- The North FaceSummit Series Pro 120 Base Layer Tights - Women'sTop Rated$100.00
- IcebreakerMerino 260 Tech Thermal Base Layer Leggings With Fly - Men'sTop Rated$93.73Save 25%compared to  $125.00REI OUTLET
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall SizesTop Rated$89.95
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's$104.73Save 30%compared to  $150.00REI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men's$99.73Save 26%compared to  $135.00REI OUTLET
- ArtilectDarkhorse 185 Zoned Base Layer Leggings - Women's$99.73Save 37%compared to  $160.00Members, use code OUTCOLD25 to save an extra 25% on this item, thru 11/3.REI OUTLET
- ArtilectFlatiron 185 Crew Base Layer Top - Men's$96.73 - $109.73Save 30% - 31%compared to  $140.00 - $160.00REI OUTLET
- Kari TraaEloise Half-Zip Base Layer Top - Women's$59.73Save 25%compared to  $80.00REI OUTLET
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