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Women's Base Layers
(234 products)Products (234)
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- IcebreakerMerino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top - Women's$104.73Save 25%compared to  $140.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- IcebreakerMerino 260 Vertex Long-Sleeve Crewe Thermal Base Layer Top - Women's$99.73Save 28%compared to  $140.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Outdoor ResearchAlpine Onset Merino 150 Base Layer Hoodie - Women'sTop Rated$119.00
- Free CountryForce Grid Fleece Base Layer Top - Women's$34.73Save 36%compared to  $55.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's$145.00
- Sale Ends Aug 28SpraywayEffra Crew Base Layer Top - Women's$24.89Save 50%compared to  $49.95Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SpraywayEffra Jacket Base Layer Top - Women's$42.73Save 34%compared to  $64.95Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Terramar3.0 Thermawool Half-Zip Base Layer Top - Women's$56.73Save 24%compared to  $75.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's$109.00
- IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Thermal Base Layer Top - Women's$103.73Save 35%compared to  $160.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Women's$130.00
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$135.00
- 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
- Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women'sTop Rated$125.00
- Helly HansenLIFA ACTIVE Graphic Crew Base Layer Top - Women's$42.73Save 34%compared to  $65.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Icebreaker200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top - Women's$89.73Save 25%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Terramar2.0 Cloud Nine Midweight Performance Base Layer Scoop Shirt - Women's$29.73Save 33%compared to  $45.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Macro Forms Base Layer Top - Women's$85.73Save 25%compared to  $115.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Helly HansenLIFA Merino Midweight Half-Zip Base Layer Top - Women's$79.73 - $82.73Save 24% - 27%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SeirusHeatwave All Season Reversible Long-Sleeve Base Layer Top - Women's$36.83Save 50%compared to  $75.00
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Women's$84.73Save 26%compared to  $115.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Sale Ends Aug 28SpraywayEffra Hoody Base Layer Top - Women's$34.89Save 50%compared to  $69.95Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Sale Ends Aug 28Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's$74.99Save 50%compared to  $150.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SmartwoolThermal Merino Rib Turtleneck Base Layer Top - Women's$130.00
- Sweaty BettyHigh-Neck Jacquard Base Layer Top - Women'sTop Rated$82.73Save 29%compared to  $118.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Arc'teryxRho Hoody Base Layer Top - Women'sTop Rated$140.00
- Icebreaker125 Cool-Lite Merino Blend Sphere III Scoop T-Shirt - Women's$75.00
- SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Women'sNew arrival$180.00
- Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Women's$85.00 - $100.00
- SmartwoolClassic Thermal Merino Mock Neck Base Layer Top - Women'sNew arrival$140.00
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