Skip to search results
loaded 381 results
Base Layers
(381 products)Products (381)
Sort: Best Match
- REI Co-opMidweight Long-Sleeve Base Layer Top - Men'sTop Rated$37.93 - $54.95
- REI Co-opMidweight Base Layer Tights - Women's$54.95
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's$69.93 - $99.95
- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$54.95
- REI Co-opMidweight Base Layer Bottoms - Men's$54.95
- REI Co-opHeavyweight Merino Base Layer Bottoms - Women's$69.93 - $99.95
- REI Co-opMidweight Base Layer Half-Zip Top - Men'sTop Rated$41.93 - $59.95
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women'sTop Rated$72.93 - $104.95
- REI Co-opHeavyweight Merino Base Layer Bottoms - Men'sTop Rated$69.93 - $99.95
- REI Co-opMerino 185 Base Layer Bottoms - Men's$55.93 - $79.95
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's$69.93 - $99.95
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$125.00
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$44.95
- Arc'teryxRho Base Layer Bottoms - Women's$24.83 - $100.00
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Men'sTop Rated$125.00
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men'sTop Rated$125.00
- tasc PerformanceElevation Merino Base Layer Bottoms - Women's$54.73Save 30%compared to  $79.00REI OUTLET
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$62.93 - $89.95
- tasc PerformanceElevation Merino T-Shirt - Women's$54.73Save 30%compared to  $79.00REI OUTLET
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$130.00
- REI Co-opMidweight Base Layer Bottoms - Kids'Top Rated$34.95
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$66.93 - $100.00
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$125.00
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$100.00
- REI Co-opMidweight Base Layer Crew Top - Kids'Top Rated$34.95
- PatagoniaCapilene Midweight Crew Base Layer Top - Men'sTop Rated$61.93 - $89.00
- REI Co-opMerino Midweight Base Layer Bottoms - Kids'Top Rated$36.93Save 26%compared to  $49.95
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$59.95
- Free CountryForce Grid Fleece Base Layer Bottoms - Women's$34.73Save 36%compared to  $55.00REI OUTLET
- REI Co-opMerino Midweight Base Layer Crew Top - Kids'Top Rated$36.93Save 26%compared to  $49.95
1–30 of 381 products
Sort: Best Match