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Base Layers
(376 products)Products (376)
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- Sale Ends May 26Kari TraaRose High-Waisted Base Layer Pants - Women's$76.99Save 30%compared to  $110.00
- REI Co-opMidweight Crew Base Layer Top - Toddlers'Top Rated$17.39 - $24.95
- Ortovox120 Comp Light Short Base Layer Pants - Men's$55.99 - $70.00
- Sale Ends May 26IcebreakerMerino 150 Tech Lite III Relaxed T-Shirt - Women'sTop Rated$59.99Save 25%compared to  $80.00
- Sale Ends May 26REI Co-opMerino 185 Base Layer Top - Men's$48.89Save 30%compared to  $69.95
- tasc PerformanceElevation Merino T-Shirt - Women'sTop Rated$49.73Save 37%compared to  $79.00REI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$81.73Save 28%compared to  $115.00REI OUTLET
- Ortovox120 Comp Light Base Layer Hoody - Men's$95.99 - $120.00
- Ortovox230 Competition Long Base Layer Pants - Men's$100.00
- Sale Ends May 26SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's$67.49Save 25%compared to  $90.00
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$81.73Save 28%compared to  $115.00REI OUTLET
- Ortovox185 Rock'n'wool Long Base Layer Pants - Men's$87.99 - $110.00
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's$89.73Save 25%compared to  $120.00REI OUTLET
- Arc'teryxRho Insulated 3/4 Base Layer Bottoms - Men'sTop Rated$159.73Save 20%compared to  $200.00REI OUTLET
- REI Co-opMidweight Base Layer Bottoms - Toddlers'Top Rated$17.39 - $24.95
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Men's$104.73Save 30%compared to  $150.00REI OUTLET
- Sale Ends May 26REI Co-opLightweight Base Layer Bottoms - Kids'Top Rated$20.89Save 30%compared to  $29.95
- Sale Ends May 26REI Co-opLightweight Base Layer Crew Top - Kids'Top Rated$20.89Save 30%compared to  $29.95
- Sale Ends May 26REI Co-opLightweight Base Layer Bottoms - Infants'/Toddlers'Top Rated$13.89Save 30%compared to  $19.95
- Helly HansenLifa Merino Midweight Base Layer Half-Zip Top - Women's$110.00
- IcebreakerMerino 260 Tech Thermal Base Layer Leggings - Women'sTop Rated$93.73Save 25%compared to  $125.00REI OUTLET
- Free CountryMicrotech Heat Cocaber Base Layer Top - Men's$26.73Save 33%compared to  $40.00REI OUTLET
- Free CountryMicrotech Heat Base Layer Bottoms - Men's$31.73Save 29%compared to  $45.00REI OUTLET
- Free CountryForce Grid Fleece Base Layer Top - Men's$29.73Save 33%compared to  $45.00REI OUTLET
- Mountain HardwearMountain Stretch Base Layer Tights - Men's$55.73Save 25%compared to  $75.00REI OUTLET
- Free CountryMicrotech Heat Base Layer Top - Men's$28.73Save 36%compared to  $45.00REI OUTLET
- Kari TraaFryd Base Layer Pants - Women's$37.73Save 31%compared to  $55.00REI OUTLET
- Sale Ends May 26Kari TraaLune Long-Sleeve Base Layer Top - Women's$44.73Save 31%compared to  $65.00REI OUTLET
- Kari TraaKlara High-Waisted Base Layer Pants - Women's$62.73Save 30%compared to  $90.00REI OUTLET
- Helly HansenLifa Active Base Layer Bottoms - Women's$39.73Save 27%compared to  $55.00REI OUTLET
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