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Base Layers
(451 products)Products (451)
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- Kari TraaSilja 2.0 Base Layer Pants - Women's$110.00
- PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's$99.00
- Helly HansenLIFA Merino Midweight Graphic Base Layer Crew Top - Women's$110.00
- Helly HansenLifa Merino Midweight Base Layer Half-Zip Top - Women's$110.00
- IcebreakerMerino 200 Oasis Base Layer Leggings - Women's$125.00
- Helly HansenLifa Merino Midweight Half-Zip Base Layer Top - Men'sTop Rated$110.00 - $115.00
- KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Men's$109.00
- IcebreakerMerino 260 Vertex Glacial Flow Base Layer Leggings - Women's$104.73Save 25%compared to  $140.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Icebreaker125 ZoneKnit Base Layer Leggings - Men's$125.00
- REI Co-opCOOLMAX EcoMade Liner Crew SocksTop Rated$11.95
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's$150.00
- IcebreakerMerino 200 Oasis Thermal Leggings - Women's$105.00
- SmartwoolIntraknit Active Base Layer Bottoms - Women's$76.73Save 30%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00
- StioBasisPeak Wool Midweight Base Layer Tights - Women'sNew arrival$139.00
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$78.73Save 25%compared to  $105.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's$109.00
- Wild RyeJane Leggings - Women's$64.73Save 40%compared to  $109.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Icebreaker200 Oasis Base Layer Leggings - Kids'$29.83Save 50%compared to  $60.00
- IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men'sTop Rated$125.00
- Icebreaker260 Merino Tech Thermal Leggings with Fly - Men'sTop Rated$125.00
- Icebreaker260 Tech Thermal Base Layer Leggings - Kids'Top Rated$70.00
- Sale Ends TodaySweaty BettyJacquard Base Layer Leggings - Women's$58.99Save 50%compared to  $118.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Helly HansenVerglas Half-Zip Top - Women's$63.73Save 25%compared to  $85.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$78.73Save 25%compared to  $105.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Kari TraaSilja Half-Zip 2.0 Base Layer Top - Women's$120.00
- Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'Top Rated$29.83Save 50%compared to  $60.00
- Outdoor ResearchAlpine Onset Merino 150 Base Layer Hoodie - Women'sTop Rated$119.00
- Kari TraaAnna Long-Sleeve Base Layer Top - Women'sNew arrival$110.00
- SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's$130.00
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