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Women's Thermal Underwear
(41 products)Products (41)
Sort: Best Match
- REI Co-opMidweight Base Layer Tights - Women's$54.95
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$115.00
- REI Co-opHeavyweight Merino Base Layer Bottoms - Women's$99.95
- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$54.95
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$115.00
- IcebreakerMerino 200 Oasis Thermal Leggings - Women'sTop Rated$105.00 - $120.00
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's$96.73Save 25%compared to  $130.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's$130.00
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$59.95
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$105.00 - $120.00
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$120.00
- PatagoniaCapilene Thermal Weight Boot-Length Long Underwear Bottoms - Women's$85.00
- PatagoniaCapilene Thermal Weight Long Underwear Bottoms - Women's$99.00
- TerramarC-Suite Fusion Thermal Pants - Women's$42.73Save 34%compared to  $65.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Women's$93.73Save 25%compared to  $125.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's$130.00
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes$115.00 - $120.00
- PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's$109.00
- SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Women's$130.00
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's$92.73Save 28%compared to  $130.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's$140.00
- Icebreaker125 ZoneKnit Thermal Base Layer Leggings - Women's$86.73Save 30%compared to  $125.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Women's$99.00
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$99.73Save 26%compared to  $135.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- Terramar3.0 Thermawool Base Layer Tights - Women's$52.73Save 24%compared to  $70.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$81.73Save 28%compared to  $115.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- SmartwoolThermal Merino Rib Turtleneck Base Layer Top - Women's$130.00
- IcebreakerMerino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$84.73Save 26%compared to  $115.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.REI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Women's$180.00
- SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's$145.00
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