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Women's Base Layer Tops
(156 products)Products (156)
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- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$54.95Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women'sNew arrival$69.73Save 26%compared to  $95.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$66.93 - $90.00Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$59.95Underwear Weight:MidweightSize Type:Regular, Plus
- tasc PerformanceElevation Merino T-Shirt - Women's$54.73Save 30%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$27.93 - $39.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opLightweight Half-Zip Base Layer Top - Women'sTop Rated$29.93 - $44.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$79.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$81.73Save 28%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$105.00Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino T-Shirt - Women's$80.00Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- Terramar2.0 Cloud Nine Half-Zip Base Layer Top - Women's$34.73Save 30%compared to  $50.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Arc'teryxRho Zip-Neck Base Layer Top - Women'sTop Rated$120.00Underwear Weight:LightweightSize Type:Regular, Plus
- IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Thermal Base Layer Top - Women's$103.73Save 35%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$78.73Save 25%compared to  $105.00Size Type:Plus, RegularREI OUTLET
- Kari TraaVilma Half-Zip Base Layer Top - Women's$74.73Save 25%compared to  $100.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- REI Co-opMerino 185 Base Layer Top - Women's$69.95Underwear Weight:LightweightSize Type:Regular
- Kari TraaRose Half-Zip Base Layer Top - Women'sTop Rated$89.73Save 25%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$99.73Save 26%compared to  $135.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- Free CountryForce Grid Fleece Base Layer Top - Women's$34.73Save 36%compared to  $55.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$84.73Save 26%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- PatagoniaCapilene Midweight Crew Base Layer Top - Women'sTop Rated$43.83 - $89.00Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolIntraknit Active Base Layer Crew Shirt - Women's$79.73Save 27%compared to  $110.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Crew Base Layer Top - Women's$69.73Save 30%compared to  $100.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- Helly HansenVerglas Half-Zip Top - Women's$63.73Save 25%compared to  $85.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's$96.73Save 25%compared to  $130.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight 2-In-1 Base Layer Hoodie - Women's$86.73Save 27%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
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