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Women's Underwear
(304 products)Products (304)
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- REI Co-opMerino 185 Base Layer Top - Women's$69.95Underwear Weight:LightweightSize Type:Regular
- Helly HansenHH Durawool Base Layer T-Shirt - Women's$56.73Save 29%compared to  $80.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$81.73Save 28%compared to  $115.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- OiselleHi Twenty Bra$68.00Bra Support:Medium ImpactSupport Style:CompressionFabric:76% polyester/24% spandex
- PatagoniaCapilene Midweight Crew Base Layer Top - Women'sTop Rated$61.93 - $89.00Underwear Weight:MidweightSize Type:Regular, Plus
- Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women'sTop Rated$89.93 - $140.00Underwear Weight:HeavyweightSize Type:Regular, Plus
- SpraywayEffra Leggings Base Layer Bottoms - Women's$29.73Save 40%compared to  $49.95Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Terramar3.0 Thermawool Half-Zip Base Layer Top - Women's$47.73Save 36%compared to  $75.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- HalfdaysHallie Midweight Merino Base Layer Leggings - Women'sTop Rated$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  $120.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- ArtilectDarkhorse 185 Zoned Base Layer Leggings - Women's$82.73Save 48%compared to  $160.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- RONHILLSeamless Bra$39.73Save 20%compared to  $49.95Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Bra Support:Medium ImpactSupport Style:CompressionFabric:54% polyester/42% polyamide/4% elastaneREI OUTLET
- JanjiGroundwork Long Bra$46.93 - $80.00Bra Support:Medium ImpactSupport Style:Compression / EncapsulationFabric:68% nylon/32% spandex
- Kari TraaAnna Half-Zip Base Layer Top - Women's$83.93 - $120.00Underwear Weight:MidweightSize Type:Regular
- prAnaTornado Bra$44.73Save 30%compared to  $64.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Bra Support:Low ImpactSupport Style:Compression / EncapsulationFabric:90% organic cotton/10% elastaneREI OUTLET
- Kari TraaFierce Base Layer Pants - Women's$46.73Save 29%compared to  $66.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- VuoriYosemite BraTop Rated$58.00Bra Support:Low ImpactSupport Style:CompressionFabric:72% polyester/28% elastane
- PatagoniaMaipo Mid-Impact Bra$44.93 - $69.00Bra Support:Medium ImpactSupport Style:CompressionFabric:6.3 oz. 81% NetPlus postconsumer recycled nylon/19% spandex knit with miDori bioSoft and HeiQ Mint
- SmartwoolActive Crop Bra$49.73 - $54.73Save 27% - 28%compared to  $70.00 - $75.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Bra Support:Low ImpactSupport Style:CompressionFabric:Main body: 87% recycled nylon/13% elastane; lining: 53% merino wool/47% TENCEL lyocellREI OUTLET
- REI Co-opMerino 185 Base Layer Bottoms - Women's Plus Sizes$49.93Save 37%compared to  $79.95Underwear Weight:LightweightSize Type:Plus
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$100.00Underwear Weight:LightweightSize Type:Regular, Plus
- OiselleBoom Bra - Women's$54.83 - $92.00Bra Support:High ImpactSupport Style:Compression / EncapsulationFabric:78% polyester/22% LYCRA spandex
- BrooksLuxe Pocket Sports Bra$26.83 - $55.00Bra Support:Medium ImpactSupport Style:CompressionFabric:Shell: 77% recycled polyester/23% spandex; cups: 58% polyurethane/42% recycled polyester
- BrooksPlunge 3.0 Sports Bra$33.73Save 25%compared to  $45.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Bra Support:Medium ImpactSupport Style:CompressionFabric:Shell 1: 79% recycled polyester/21% spandex; shell 2: 78% recycled polyester/22% spandexREI OUTLET
- REI Co-opActive Bralette 2.0$35.95Bra Support:Low ImpactSupport Style:EncapsulationFabric:86% polyester/14% spandex mesh
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes$125.00Underwear Weight:MidweightSize Type:Plus
- Kari TraaSilja Half-Zip 2.0 Base Layer Top - Women's$83.93Save 30%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular
- Kari TraaFryd Base Layer Pants - Women's$44.93 - $60.00Underwear Weight:MidweightSize Type:Regular
- Royal RobbinsReadyDry Cami - Women's$19.73Save 34%compared to  $30.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- Helly HansenLIFA Merino Midweight Graphic Crew Base Layer - Women's$79.73Save 27%compared to  $110.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
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