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Base Layers
(451 products)Products (451)
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- IcebreakerMerino Long-Sleeve Roll-Neck Base Layer Top - Women's$220.00
- Arc'teryxLana Merino Wool Crew Base Layer Top - Women's$59.93Save 33%compared to  $90.00
- Kari TraaFryd Long-Sleeve Base Layer Top - Women's$44.73Save 25%compared to  $60.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Outdoor ResearchAlpine Onset Merino 150 Crew Base Layer Top - Women's$99.00
- StioBasisPeak Wool Midweight Half-Zip Base Layer Top - Women'sNew arrival$139.00
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$99.00
- Helly HansenOdin Power Stretch Half-Zip Base Layer Top - Women's$88.73Save 40%compared to  $150.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Women's$109.00
- SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's$130.00
- Helly HansenHH Durawool Crew Long-Sleeve Base Layer - Women's$90.00
- REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes$69.95
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$89.73Save 30%compared to  $130.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Outdoor ResearchAlpine Onset Merino 150 Half-Zip Base Layer Top - Women's$109.00
- Helly HansenLIFA Merino Midweight Graphic Crew Base Layer - Women'sNew arrival$79.73Save 27%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men'sNew arrival$180.00
- Kari TraaEloise Half-Zip Base Layer Top - Women'sNew arrival$59.73Save 25%compared to  $80.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men'sNew arrival$160.00
- SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's$145.00
- Hot ChillysClima-Wool Crew Base Layer Top - Men'sNew arrival$79.73Save 33%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Base Layer Top - Women's$120.00
- The North FaceSummit Series Pro 120 Crew Base Layer Top - Men'sTop Rated$90.00
- SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's$140.00
- Arc'teryxLana Merino Wool Base Layer Tank Top - Women's$59.93Save 33%compared to  $90.00
- IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Base Layer Top - Women'sTop Rated$93.73Save 25%compared to  $125.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- StioBasis PeakWool Midweight Half-Zip Base Layer Top - Men'sNew arrival$159.00
- SmartwoolClassic Thermal Merino Mock Neck Base Layer Top - Women'sNew arrival$140.00
- Kari TraaSaga Half-Zip Base Layer Top - Women'sNew arrival$135.00
- Kari TraaMalia Half-Zip Base Layer Top - Women'sNew arrival$59.73Save 25%compared to  $80.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SeirusHeatwave Body Mapped Full-Length Base Layer Bottoms - Women's$59.83Save 50%compared to  $119.95
- The North FaceFD Pro 160 Base Layer Tights - Women's$70.00
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