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Women's Base Layer Bottoms
(92 products)Products (92)
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- REI Co-opMidweight Base Layer Tights - Women's$26.83 - $38.39Save 30% - 51%compared to  $54.95Underwear Weight:MidweightSize Type:Regular, Plus, Petite
- Sale Ends Todaytasc PerformanceElevation Merino Base Layer Bottoms - Women's$39.49Save 50%compared to  $79.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$81.73Save 28%compared to  $115.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:Plus, RegularREI OUTLET
- Sale Ends Sep 1REI Co-opLightweight Base Layer Tights - Women'sTop Rated$27.89Save 30%compared to  $39.95Underwear Weight:LightweightSize Type:Regular, Plus
- Black DiamondSolution 150 Merino Base Layer Bottoms - Women'sTop Rated$79.73Save 27%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's$92.73Save 28%compared to  $130.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$115.00Underwear Weight:MidweightSize Type:Regular
- IcebreakerMerino 200 Oasis Thermal Base Layer Leggings - Women's$78.73Save 25%compared to  $105.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- Kari TraaRose High-Waisted Base Layer Pants - Women's$54.83 - $130.00Underwear Weight:LightweightSize Type:Regular
- Arc'teryxRho Base Layer Bottoms - Women's$24.83 - $100.00Underwear Weight:LightweightSize Type:Regular, Plus
- Helly HansenLIFA Merino Midweight 2-In-1 Base Layer Pants - Women's$69.73Save 30%compared to  $100.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- REI Co-opMerino 185 Base Layer Bottoms - Women's$79.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's$90.00Underwear Weight:LightweightSize Type:Regular, Plus
- Arc'teryxKyanite Base Layer Bottoms - Women'sTop Rated$96.73Save 19%compared to  $120.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's$100.73Save 25%compared to  $135.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET
- REI Co-opHeavyweight Merino Base Layer Bottoms - Women'sTop Rated$99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- Arc'teryxRho Boot Cut Base Layer Bottoms - Women's$72.73Save 19%compared to  $90.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaFryd Base Layer Pants - Women's$29.83 - $65.00Underwear Weight:MidweightSize Type:Regular
- CraftActive Intensity Base Layer Pants - Women's$31.73Save 42%compared to  $54.95Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Lettuce Edge Base Layer Bottoms - Women's$82.73Save 28%compared to  $115.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaRose High-Waist Base Layer Pants - Women's$79.73Save 27%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Sale Ends TodaySpraywayEffra Leggings Base Layer Bottoms - Women's$24.89Save 50%compared to  $49.95Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Active Base Layer Bottoms - Women's$59.83Save 45%compared to  $110.00Underwear Weight:LightweightSize Type:Regular
- PatagoniaCapilene Midweight Base Layer Bottoms - Women's$89.00Size Type:Regular, Plus
- Kari TraaElse Base Layer Pants - Women's$74.73Save 25%compared to  $100.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaRose Light High-Waisted Base Layer Pants - Women's$82.73Save 24%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Sale Ends TodayArtilectDarkhorse 185 Zoned Base Layer Leggings - Women's$79.99Save 50%compared to  $160.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaSmekker Base Layer Pants - Women's$83.73Save 30%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaEdith Base Layer Pants - Women's$74.73Save 25%compared to  $100.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Terramar2.0 Cloud Nine Midweight Base Layer Capri Pants - Women's$28.73Save 28%compared to  $40.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
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