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Women's Underwear
(371 products)Products (371)
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- Kari TraaSmekker Base Layer Pants - Women's$83.73Save 30%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaKaia Base Layer Set - Women's$130.00Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's$145.00Size Type:Regular
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$99.00Underwear Weight:MidweightSize Type:Regular
- SmartwoolClassic All-Season Merino Base Layer Long-Sleeve Shirt - Women's$66.73Save 25%compared to  $90.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's$130.00Underwear Weight:LightweightSize Type:Regular
- PatagoniaCapilene Thermal Weight Boot-Length Long Underwear Bottoms - Women's$85.00Underwear Weight:HeavyweightSize Type:Regular
- Helly HansenLIFA ACTIVE Graphic Crew Base Layer Top - Women's$42.73Save 34%compared to  $65.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Terramar3.0 Thermawool Base Layer Tights - Women's$52.73Save 24%compared to  $70.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$89.73Save 30%compared to  $130.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Free CountryMicrotech Heat Cocarber Base Layer Top - Women's$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolThermal Merino Rib Turtleneck Base Layer Top - Women's$130.00Underwear Weight:MidweightSize Type:Regular
- Helly HansenLIFA Merino Midweight 2-In-1 Graphic Half-Zip Base Layer Top - Women's$86.73Save 27%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's$114.73Save 30%compared to  $165.00Size Type:RegularREI OUTLET
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes$89.95Underwear Weight:LightweightSize Type:Plus
- Sale Ends Oct 6IcebreakerMerino Base Layer Leggings - Women's$129.73Save 35%compared to  $200.00Size Type:RegularREI OUTLET
- Icebreaker125 ZoneKnit Thermal Base Layer Leggings - Women's$86.73Save 30%compared to  $125.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Free CountryMicrotech Heat Cocarber Base Layer Bottoms - Women's$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arms of Andes300 Lightweight Alpaca Wool Half-Zip Base Layer Top - Women's$115.00 - $135.00Underwear Weight:LightweightSize Type:Regular
- IcebreakerSiren Sweetheart Long Underwear Top - Women's$85.00Underwear Weight:LightweightSize Type:Regular
- Sale Ends Oct 6IcebreakerMerino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top - Women's$97.73Save 30%compared to  $140.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$115.00Underwear Weight:LightweightSize Type:Regular, Plus
- Kari TraaRose Light Capri Base Layer Pants - Women's$74.73Save 25%compared to  $100.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$140.00Underwear Weight:LightweightSize Type:Regular
- HalfdaysSophia Base Layer Leggings - Women's$95.00Underwear Weight:LightweightSize Type:Plus, Regular
- Arc'teryxRho Hoody Base Layer Top - Women'sTop Rated$120.00 - $140.00Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's$140.00Underwear Weight:MidweightSize Type:Regular
- IcebreakerMerino 260 Vertex Long-Sleeve Crewe Thermal Base Layer Top - Women's$99.73Save 28%compared to  $140.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- SeirusHeatwave All Season Reversible Long-Sleeve Base Layer Top - Women's$36.83Save 50%compared to  $75.00Underwear Weight:LightweightSize Type:Regular
- Terramar3.0 Thermawool Half-Zip Base Layer Top - Women's$56.73Save 24%compared to  $75.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
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