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Base Layers
(418 products)Products (418)
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- Outdoor ResearchAlpine Onset Merino 150 Quarter-Zip Base Layer Top - Men's$109.00
- Sale Ends Dec 18ColumbiaMidweight Stretch Long-Sleeve Base Layer Top - Women'sTop Rated$41.19Save 25%compared to  $55.00
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's$130.00
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's$95.00
- PatagoniaCapilene Thermal Weight Long Underwear Bottoms - Women's$99.00
- Kari TraaKlara High-Waisted Base Layer Pants - Women's$62.73 - $66.73Save 25% - 30%compared to  $90.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Kari TraaRose Light Half-Zip Base Layer Top - Women's$89.73Save 25%compared to  $120.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- TerramarC-Suite Fusion Thermal Pants - Women's$42.73Save 34%compared to  $65.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Terramar3.0 Thermawool Crew Base Layer Top - Women's$49.73Save 28%compared to  $70.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Kari TraaEdith Long-Sleeve Base Layer Top - Women's$74.73Save 25%compared to  $100.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Sale Ends Dec 22REI Co-opSilk Liner Crew Socks$12.49Save 30%compared to  $17.95
- HalfdaysSophia Base Layer Leggings - Women's$95.00
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes$115.00 - $120.00
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$135.00
- CraftCORE Dry Active Comfort Base Layer Top - Women's$39.73Save 38%compared to  $64.95Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Free CountryMicrotech Heat Cocarber Base Layer Top - Women's$34.73Save 30%compared to  $50.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- ArtilectBoulder 125 Crew Long-Sleeve Base Layer Top - Women's$65.73Save 45%compared to  $120.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- SmartwoolClassic Thermal Merino Lettuce Edge Base Layer Bottoms - Women's$82.73Save 28%compared to  $115.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Terramar2.0 Cloud Nine Midweight Base Layer Capri Pants - Women's$28.73Save 28%compared to  $40.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Helly HansenLIFA ACTIVE Graphic Crew Base Layer Top - Women's$42.73Save 34%compared to  $65.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's$96.73Save 25%compared to  $130.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Black DiamondSolution 150 Merino Base Layer Crew Top - Women'sTop Rated$99.73Save 26%compared to  $135.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's$104.73Save 30%compared to  $150.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's$114.73Save 30%compared to  $165.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- The North FaceSummit Series Pro 120 Base Layer Tights - Women'sTop Rated$100.00
- Kari TraaRose Half-Zip Base Layer Top - Women'sTop Rated$89.73Save 25%compared to  $120.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Icebreaker125 ZoneKnit Thermal Base Layer Leggings - Women's$86.73Save 30%compared to  $125.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
- Arms of Andes160 Ultralight Alpaca Wool Crew Neck Base Layer T-Shirt - Women's$75.00
- SmartwoolThermal Merino Rib Turtleneck Base Layer Top - Women's$130.00
- Kari TraaAlma Half-Zip Base Layer Top - Women's$59.73Save 25%compared to  $80.00Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.REI OUTLET
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