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Women's Base Layer Tops
(112 products)Products (112)
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- Sale Ends May 26REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$27.89Save 30%compared to  $39.95Underwear Weight:LightweightSize Type:Regular, Plus
- Sale Ends May 26REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$38.39Save 30%compared to  $54.95Underwear Weight:MidweightSize Type:Regular, Plus
- Sale Ends May 26REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$55.89Save 30%compared to  $79.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$29.83 - $41.89Save 30% - 50%compared to  $59.95Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$79.93 - $86.19Save 25% - 30%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, Plus
- Sale Ends May 26REI Co-opLightweight Crew Base Layer Top - Women's$20.89Save 30%compared to  $29.95Underwear Weight:LightweightSize Type:Regular, Plus
- tasc PerformanceElevation Merino T-Shirt - Women'sTop Rated$49.73Save 37%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$83.93 - $89.99Save 25% - 30%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$62.93 - $67.49Save 25% - 30%compared to  $90.00Underwear Weight:LightweightSize Type:Regular, Plus
- Sale Ends May 26REI Co-opLightweight Half-Zip Base Layer Top - Women's$31.39Save 30%compared to  $44.95Underwear Weight:LightweightSize Type:Regular, Plus
- Sale Ends May 26REI Co-opMerino 185 Base Layer Top - Women's$48.89Save 30%compared to  $69.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women'sTop Rated$49.83 - $73.39Save 30% - 52%compared to  $104.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino T-Shirt - Women's$55.93 - $59.99Save 25% - 30%compared to  $80.00Underwear Weight:LightweightSize Type:Regular, Plus
- CraftCORE Dry Active Comfort Base Layer Top - Women's$39.73Save 38%compared to  $64.95Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$49.83 - $73.39Save 26% - 50%compared to  $99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$44.83 - $62.89Save 30% - 50%compared to  $89.95Underwear Weight:LightweightSize Type:Regular
- Sale Ends May 26IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$78.69Save 25%compared to  $105.00Underwear Weight:MidweightSize Type:Regular, Plus
- Wild RyeEvie Raglan Base Layer Top - Women'sTop Rated$61.83Save 50%compared to  $125.00Underwear 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
- Sale Ends May 26Kari TraaLucie Half-Zip Base Layer Top - Women's$62.73Save 30%compared to  $90.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Sale Ends May 26REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes$48.89Save 30%compared to  $69.95Underwear Weight:LightweightSize Type:Plus
- 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
- Kari TraaFryd Base Layer Top - Women's$29.83 - $41.99Save 30% - 50%compared to  $60.00Underwear Weight:MidweightSize Type:Regular
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$66.83 - $101.19Save 25% - 50%compared to  $135.00Underwear Weight:MidweightSize Type:Regular
- PatagoniaCapilene Midweight Crew Base Layer Top - Women'sTop Rated$89.00Underwear Weight:MidweightSize Type:Regular, Plus
- Arc'teryxLana Merino Wool Base Layer Tank Top - Women's$90.00Underwear Weight:LightweightSize Type:Regular, Plus
- Free CountryMicrotech Heat Cocaber Base Layer Top - Women's$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Wild RyeHailey Half-Zip Base Layer Top - Women'sTop Rated$66.83Save 50%compared to  $135.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus SizesTop Rated$44.83 - $62.89Save 30% - 50%compared to  $89.95Underwear Weight:LightweightSize Type:Plus
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