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Women's Base Layer Tops
(121 products)Products (121)
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- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$37.93 - $54.95Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$66.93 - $90.00Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$62.93 - $89.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic All-Season Merino T-Shirt - Women's$59.93 - $80.00Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolIntraknit Active Long-Sleeve Base Layer Top - Women's$59.83Save 45%compared to  $110.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$79.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMerino 185 Base Layer Top - Women's$48.93 - $69.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opLightweight Crew Base Layer Top - Women'sTop Rated$29.95Underwear Weight:LightweightSize Type:Regular, Plus
- 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$72.93 - $105.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opLightweight Half-Zip Base Layer Top - Women's$44.95Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Plus
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$78.73Save 25%compared to  $105.00Size Type:Regular, PlusREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes$48.93 - $69.95Underwear Weight:LightweightSize Type:Plus
- Nani SwimwearUinta Base Layer Top - Women's$29.83Save 62%compared to  $80.00Underwear Weight:MidweightSize 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
- tasc PerformanceElevation Merino T-Shirt - Women's$49.73Save 37%compared to  $79.00Underwear 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$59.93 - $89.00Underwear Weight:MidweightSize Type:Regular, Plus
- Kari TraaRose Half-Zip Base Layer Top - Women'sTop Rated$83.93 - $130.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaFryd Base Layer Top - Women's$41.93Save 30%compared to  $60.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes$39.83 - $79.95Underwear Weight:LightweightSize Type:Plus
- Sale Ends Aug 4Kari TraaVoss Cashmere Mix Half-Zip Base Layer Top - Women's$53.73Save 70%compared to  $180.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaEmbla Wool Base Layer Top - Women's$41.93Save 30%compared to  $60.00Underwear Weight:UltralightweightSize Type:Regular
- SmartwoolClassic Thermal Merino Lettuce Edge Crew Base Layer Top - Women's$82.73Save 28%compared to  $115.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
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