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Women's Base Layer Tops
(143 products)Products (143)
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- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$26.83 - $54.95Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$55.93 - $79.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$59.83 - $115.00Underwear Weight:MidweightSize Type:Regular, Plus
- tasc PerformanceElevation Merino T-Shirt - Women'sTop Rated$49.73Save 37%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- REI Co-opLightweight Crew Base Layer Top - Women's$29.95Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$62.93 - $90.00Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino T-Shirt - Women's$55.93 - $80.00Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$59.83 - $120.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opLightweight Half-Zip Base Layer Top - Women's$44.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMerino 185 Base Layer Top - Women's$48.93 - $69.95Underwear Weight:LightweightSize Type:Regular
- CraftCORE Dry Active Comfort Base Layer Top - Women's$39.73Save 38%compared to  $64.95Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$81.73Save 28%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$44.83 - $89.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women'sTop Rated$49.83 - $104.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$49.83 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- PatagoniaCapilene Midweight Crew Base Layer Top - Women'sTop Rated$89.00Underwear Weight:MidweightSize Type:Regular, Plus
- Kari TraaLucie Half-Zip Base Layer Top - Women's$67.73Save 24%compared to  $90.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Wild RyeEvie Raglan Base Layer Top - Women'sTop Rated$61.83Save 50%compared to  $125.00Underwear Weight:LightweightSize Type:Regular, Plus
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$105.00Underwear Weight:MidweightSize Type:Regular, Plus
- Free CountryMicrotech Heat Cocaber Base Layer Top - Women's$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes$48.93 - $69.95Underwear Weight:LightweightSize Type:Plus
- Kari TraaFryd Base Layer Top - Women's$29.83 - $60.00Underwear Weight:MidweightSize Type:Regular
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$78.73Save 25%compared to  $105.00Size Type:Regular, PlusREI OUTLET
- SpraywayEffra Hoody Base Layer Top - Women's$49.73Save 28%compared to  $69.95Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- Helly HansenLIFA Merino Midweight 2-In-1 Graphic Half-Zip Base Layer Top - Women's$86.73 - $89.73Save 25% - 27%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- 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-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes$44.83 - $89.95Underwear Weight:LightweightSize Type:Plus
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