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Base Layer
(433 products)Products (433)
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- Icebreaker125 ZoneKnit Thermal Base Layer Leggings - Women's$93.73Save 25%compared to  $125.00REI OUTLET
- IcebreakerMerino 125 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$99.73Save 26%compared to  $135.00REI OUTLET
- SpraywayEffra Hoody Base Layer Top - Women's$49.73Save 28%compared to  $69.95REI OUTLET
- Sweaty BettyJacquard Base Layer Leggings - Women's$82.73Save 29%compared to  $118.00REI OUTLET
- IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men'sTop Rated$89.73Save 25%compared to  $120.00REI OUTLET
- Icebreaker125 ZoneKnit Merino Long-Sleeve Crewe Thermal Top - Men'sTop Rated$93.73Save 25%compared to  $125.00REI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's$96.73Save 25%compared to  $130.00REI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$92.73Save 28%compared to  $130.00REI OUTLET
- SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's$33.83Save 62%compared to  $90.00
- Kari TraaFaith Half-Zip Base Layer Top - Women's$59.83Save 50%compared to  $120.00
- SeirusHeatwave Body Mapped Quarter-Zip Long-Sleeve Base Layer Top - Women's$69.83Save 50%compared to  $140.00
- SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's$64.83Save 50%compared to  $130.00
- Kari TraaFaith Base Layer Pants - Women's$54.83Save 50%compared to  $110.00
- Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men'sTop Rated$79.83Save 46%compared to  $150.00
- Arc'teryxRho Merino Wool Base Layer Bottoms - Men's$96.93Save 19%compared to  $120.00
- Wild RyeJane 7/8 Base Layer Leggings - Women's$56.83Save 50%compared to  $115.00
- REI Co-opHeavyweight Merino Base Layer Bottoms - Men's$49.83Save 50%compared to  $99.95
- HalfdaysJohnson Base Layer Top - Women's$62.93Save 25%compared to  $85.00
- Kari TraaSara Half-Zip Base Layer Top - Women's$54.83 - $81.93Save 25% - 50%compared to  $110.00
- SeirusHeatwave Body Mapped Full-Length Base Layer Bottoms - Women's$59.83Save 50%compared to  $119.95
- HalfdaysSophia Base Layer Leggings - Women's$62.93Save 25%compared to  $85.00
- BurtonMidweight Base Layer Pants - Women's$31.83Save 50%compared to  $64.95
- Arc'teryxRho Hoody Base Layer Top - Women'sTop Rated$104.93Save 19%compared to  $130.00
- Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's$98.83Save 29%compared to  $140.00
- Kari TraaKlara High-Waist Base Layer Pant - Women's$44.83Save 50%compared to  $90.00
- Wild RyeOlivia Onesie - Women'sTop Rated$108.83Save 50%compared to  $219.00
- REI Co-opHeavyweight Merino Base Layer Bottoms - Women'sTop Rated$49.83 - $69.93Save 30% - 50%compared to  $99.95
- Kari TraaSval Long-Sleeve Base Layer Top - Women's$39.83Save 50%compared to  $80.00
- SeirusHeatwave All Season Reversible Long-Sleeve Base Layer Top - Women's$36.83Save 50%compared to  $75.00
- PatagoniaCapilene Midweight Crew Base Layer Top - Kids'$26.93Save 30%compared to  $39.00
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