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Base Layers
(368 products)Products (368)
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- REI Co-opMidweight Base Layer Half-Zip Top - Women's$19.83 - $59.95
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$66.93 - $90.00
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$59.83 - $115.00
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$55.93 - $79.95
- REI Co-opMerino 185 Base Layer Bottoms - Men's$23.83 - $79.95
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$66.93 - $90.00
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$29.83 - $89.95
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$81.73Save 28%compared to  $115.00REI OUTLET
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men'sTop Rated$55.93 - $79.95
- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$54.95
- REI Co-opMidweight Base Layer Half-Zip Top - Men'sTop Rated$39.93 - $59.95
- REI Co-opHeavyweight Merino Base Layer Bottoms - Women'sTop Rated$29.83 - $69.93Save 30% - 70%compared to  $99.95
- REI Co-opMerino 185 Base Layer Top - Women's$48.93 - $69.95
- REI Co-opMidweight Base Layer Bottoms - Men's$54.95
- SmartwoolIntraknit Active Base Layer Bottoms - Women's$79.93Save 27%compared to  $110.00
- REI Co-opLightweight Base Layer Tights - Women's Plus Sizes$9.83Save 75%compared to  $39.95
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$39.95
- REI Co-opLightweight Base Layer Tights - Women'sTop Rated$39.95
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men'sTop Rated$39.95
- REI Co-opMidweight Long-Sleeve Base Layer Top - Men'sTop Rated$54.95
- REI Co-opLightweight Crew Base Layer Top - Women'sTop Rated$29.95
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men'sTop Rated$85.93 - $115.00
- tasc PerformanceElevation Merino Base Layer Bottoms - Women's$49.73Save 37%compared to  $79.00REI OUTLET
- Arc'teryxRho LT Base Layer Bottoms - Men's$49.83 - $100.00
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$59.83 - $120.00
- REI Co-opLightweight Base Layer Bottoms - Men'sTop Rated$39.95
- REI Co-opMidweight Base Layer Tights - Women's$54.95
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$110.00 - $115.00
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$29.83 - $99.95
- REI Co-opLightweight Crew Base Layer Top - Men'sTop Rated$29.95
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