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Men's Base Layers
(137 products)Products (137)
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- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$78.73Save 25%compared to  $105.00REI OUTLET
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's$95.00
- Arc'teryxRho Insulated 3/4 Base Layer Bottoms - Men'sTop Rated$159.73Save 20%compared to  $200.00REI OUTLET
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall SizesTop Rated$79.95
- Arc'teryxIonia Merino Wool Base Layer Top - Men'sTop Rated$63.93Save 28%compared to  $90.00
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$51.83 - $105.00
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men'sTop Rated$69.93 - $99.00
- Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's$140.00
- KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Men's$109.00
- SmartwoolIntraknit Active Base Layer Bottoms - Men's$81.73Save 25%compared to  $110.00REI OUTLET
- SaxxRoast Master Midweight Long-Sleeve Crew Base Layer Top - Men's$47.73Save 36%compared to  $75.00REI OUTLET
- ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Men'sTop Rated$109.73Save 31%compared to  $160.00REI OUTLET
- CraftCore Dry Active Comfort Base Layer Pants - Men's$32.73Save 34%compared to  $49.95REI OUTLET
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's$104.95
- Free CountryCloud Knit Base Layer Bottoms - Men'sNew arrival$26.73Save 33%compared to  $40.00REI OUTLET
- KUHLReactiv Lite Grid Quarter-Zip Base Layer Top - Men's$119.00
- Arc'teryxRho Heavyweight Base Layer Bottoms - Men'sTop Rated$96.73Save 19%compared to  $120.00REI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$130.00
- SaxxRoast Master Midweight Base Layer Bottoms - Men's$47.73Save 36%compared to  $75.00REI OUTLET
- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Pants - Men's$56.73Save 29%compared to  $80.00REI OUTLET
- Hot ChillysClima-Wool Base Layer Bottoms - Men'sNew arrival$79.73Save 33%compared to  $120.00REI OUTLET
- REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes$79.95
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's$130.00
- Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's$85.00
- PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's$99.00
- Hot ChillysClima-Wool Crew Base Layer Top - Men'sNew arrival$79.73Save 33%compared to  $120.00REI OUTLET
- SmartwoolIntraknit Active Base Layer Crew Shirt - Men's$74.73Save 32%compared to  $110.00REI OUTLET
- Arc'teryxRho Merino Wool Base Layer Bottoms - Men's$120.00
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$92.73Save 28%compared to  $130.00REI OUTLET
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00
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