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Base Layers
(454 products)Products (454)
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- SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'Top Rated$65.00
- HalfdaysFay Midweight Merino Base Layer Top - Women'sTop Rated$130.00
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's$92.73Save 28%compared to  $130.00REI OUTLET
- Sale Ends Dec 8IcebreakerMerino 200 Oasis Thermal Leggings - Women's$78.69Save 25%compared to  $105.00
- Sale Ends Dec 1SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's$97.49Save 25%compared to  $130.00
- Black DiamondSolution 150 Merino Base Layer Bottoms - Women'sTop Rated$79.73Save 27%compared to  $110.00REI OUTLET
- Kari TraaRose Long-Sleeve Base Layer Top - Women's$79.73Save 27%compared to  $110.00REI OUTLET
- Helly HansenLIFA Merino Midweight 2-In-1 Base Layer Pants - Women'sTop Rated$69.73Save 30%compared to  $100.00REI OUTLET
- Kari TraaFaith Half-Zip Base Layer Top - Women's$86.73Save 27%compared to  $120.00REI OUTLET
- HalfdaysJohnson Base Layer Top - Women's$95.00
- Kari TraaVilma Half-Zip Base Layer Top - Women's$74.73Save 25%compared to  $100.00REI OUTLET
- Kari TraaSmekker High-Waist Base Layer Pants - Women's$130.00
- Helly HansenLIFA Merino Midweight Base Layer Hoodie - Men's$125.00
- Kari TraaFryd Base Layer Pants - Women's$40.73Save 32%compared to  $60.00REI OUTLET
- Icebreaker200 Sonebula Leggings - Men'sTop Rated$89.73Save 25%compared to  $120.00REI OUTLET
- Helly HansenMerino Wool Base Layer Set - Kids'$75.73Save 36%compared to  $120.00REI OUTLET
- Kari TraaKlara High-Waisted Base Layer Pants - Women's$62.73 - $66.73Save 25% - 30%compared to  $90.00REI OUTLET
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'Top Rated$65.00
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'$44.93 - $65.00
- BurtonMidweight Base Layer Pants - Women's$19.83Save 69%compared to  $64.95
- SmartwoolIntraknit Active Base Layer Bottoms - Women's$79.73Save 27%compared to  $110.00REI OUTLET
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's$104.95
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00
- IcebreakerMerino 200 Oasis Thermal Base Layer Leggings - Women's$78.73Save 25%compared to  $105.00REI OUTLET
- Helly HansenLIFA Merino Midweight Crew Base Layer Top - Women's$69.73Save 30%compared to  $100.00REI OUTLET
- SpraywayEffra Leggings Base Layer Bottoms - Women's$36.73Save 26%compared to  $49.95REI OUTLET
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$100.00
- Helly HansenLIFA Merino Midweight Base Layer 3/4 Pants - Women's$85.00
- KUHLReactiv Lite Grid Base Layer Bottoms - Women's$99.00
- REI Co-opLightweight Crew Base Layer Top - Women'sTop Rated$29.95
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