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Women's Base Layer Tops
(114 products)Products (114)
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- Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$79.93 - $130.00Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes$39.93Save 42%compared to  $69.95Underwear Weight:LightweightSize Type:Plus
- Kari TraaAnna Long-Sleeve Base Layer Top - Women's$76.93Save 30%compared to  $110.00Underwear Weight:MidweightSize Type:Regular
- SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's$140.00Underwear Weight:MidweightSize Type:Regular
- HalfdaysJohnson Base Layer Top - Women's$95.00Underwear Weight:UltralightweightSize Type:Regular
- Helly HansenHH Durawool Crew Long-Sleeve Shirt - Women's$64.73Save 28%compared to  $90.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaFryd Base Layer Top - Women's$44.93 - $60.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaKaia Base Layer Set - Women's$90.93Save 30%compared to  $130.00Underwear Weight:LightweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes$59.93Save 33%compared to  $89.95Underwear Weight:LightweightSize Type:Plus
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$89.73Save 30%compared to  $130.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Black DiamondSolution 150 Merino Base Layer Crew Top - Women'sTop Rated$99.73Save 26%compared to  $135.00Use 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
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Women's$99.00Underwear Weight:HeavyweightSize Type:Regular
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$68.93 - $99.00Underwear Weight:MidweightSize Type:Regular
- 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
- Kari TraaSilja Half-Zip 2.0 Base Layer Top - Women's$83.93Save 30%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular
- Kari TraaAnna Half-Zip Base Layer Top - Women's$83.93 - $120.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaFryd Long-Sleeve Base Layer Top - Women's$40.73Save 37%compared to  $65.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:PlusREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$150.00Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's$114.73Save 30%compared to  $165.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Size Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's$96.73Save 25%compared to  $130.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Arc'teryxRho Zip-Neck Base Layer Top - Women'sTop Rated$120.00Underwear Weight:LightweightSize Type:Regular, Plus
- ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Women's$81.73Save 48%compared to  $160.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaSaga Half-Zip Base Layer Top - Women's$93.93Save 30%compared to  $135.00Underwear Weight:HeavyweightSize Type:Regular
- Kari TraaSara Half-Zip Base Layer Top - Women's$79.73Save 27%compared to  $110.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Kari TraaRose Long-Sleeve Base Layer Top - Women's$79.73Save 27%compared to  $110.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:HeavyweightSize Type:Plus, RegularREI OUTLET
- PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's$115.00Underwear Weight:HeavyweightSize Type:Regular
- HalfdaysFay Midweight Merino Base Layer Top - Women's$130.00Underwear Weight:MidweightSize Type:Regular
- SENIQWool Sculpt Merino Mock-Neck Long-Sleeve Base Layer Shirt - Women's$128.00Underwear Weight:HeavyweightSize Type:Regular
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$99.73Save 26%compared to  $135.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
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