Skip to search results
loaded 380 results
Base Layers
(380 products)Products (380)
Sort: Best Match
- tasc PerformanceElevation Merino Base Layer Bottoms - Women's$54.73Save 30%compared to  $79.00REI OUTLET
- Kari TraaFryd Base Layer Pants - Women's$31.83 - $60.00
- PatagoniaCapilene Midweight Crew Base Layer Top - Women'sTop Rated$49.83 - $89.00
- REI Co-opMidweight Base Layer Crew Top - Kids'Top Rated$34.95
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$89.93 - $130.00
- REI Co-opMerino 185 Base Layer Bottoms - Women's$79.95
- REI Co-opMerino Midweight Base Layer Bottoms - Kids'Top Rated$36.93Save 26%compared to  $49.95
- REI Co-opMidweight Base Layer Bottoms - Kids'Top Rated$34.95
- REI Co-opLightweight Base Layer Tights - Women'sTop Rated$44.95
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's$72.93 - $104.95
- REI Co-opMerino Midweight Base Layer Crew Top - Kids'Top Rated$36.93Save 26%compared to  $49.95
- REI Co-opLightweight Half-Zip Base Layer Top - Women'sTop Rated$49.95
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$100.00
- PatagoniaCapilene Thermal Weight Zip-Neck Base Layer Top - Men's$69.73Save 36%compared to  $109.00REI OUTLET
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$89.95
- REI Co-opMerino 185 Base Layer Top - Men's$69.95
- REI Co-opMidweight Base Layer Bottoms - Toddlers'Top Rated$24.95
- PatagoniaCapilene Midweight Base Layer Bottoms - Women's$61.93 - $89.00
- tasc PerformanceElevation Merino T-Shirt - Women's$54.73Save 30%compared to  $79.00REI OUTLET
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men'sTop Rated$89.93 - $130.00
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus SizesTop Rated$49.93Save 37%compared to  $79.95
- Free CountryForce Grid Fleece Base Layer Bottoms - Women's$34.73Save 36%compared to  $55.00REI OUTLET
- Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's$44.83Save 50%compared to  $90.00
- REI Co-opLightweight Half-Zip Base Layer Top - Men's$49.95
- KUHLReactiv Lite Grid Base Layer Bottoms - Women's$48.83Save 50%compared to  $99.00
- Kari TraaAnna Long-Sleeve Base Layer Top - Women's$54.83Save 50%compared to  $110.00
- SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men'sNew arrival$134.73Save 25%compared to  $180.00REI OUTLET
- HalfdaysJohnson Base Layer Top - Women's$65.93Save 30%compared to  $95.00
- Kari TraaRose Half-Zip Base Layer Top - Women's$69.83 - $140.00
- Kari TraaKlara High-Waisted Base Layer Pants - Women's$62.73 - $66.73Save 25% - 30%compared to  $90.00REI OUTLET
31–60 of 380 products
Sort: Best Match