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Long Sleeve Men's Base Layers
(83 products)Products (83)
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- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$92.73Save 28%compared to  $130.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe First Snow Base Layer Top - Men's$89.73Save 25%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$130.00
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$70.93 - $100.00
- IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men'sTop Rated$89.73Save 25%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SmartwoolIntraknit Active Base Layer Crew Shirt - Men's$74.73Save 32%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men'sTop Rated$125.00
- Outdoor ResearchAlpine Onset Merino 150 Base Layer Hoodie - Men'sNew arrival$119.00
- SaxxRoast Master Midweight Long-Sleeve Crew Base Layer Top - Men's$47.73Save 36%compared to  $75.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall SizesTop Rated$79.95
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00
- Sale Ends Aug 28IcebreakerMerino 260 Tech Long Sleeve Crewe Base Layer Top - Men'sTop Rated$82.49Save 50%compared to  $165.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SmartwoolThermal Merino Base Layer Hoodie - Men's$145.00
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Men's$135.00
- IcebreakerMerino 125 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$99.73Save 26%compared to  $135.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men'sTop Rated$140.00
- Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's$90.00
- SmartwoolIntraknit Thermal Merino Base Layer Colorblock Crew - Men's$96.73Save 25%compared to  $130.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- The North FaceSummit Series Pro 120 Crew Base Layer Top - Men'sTop Rated$90.00
- Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$115.00
- Free CountryForce Grid Fleece Crew Base Layer Top - Men'sTop Rated$26.73Save 40%compared to  $45.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's$98.83Save 29%compared to  $140.00
- Hot ChillysClima-Wool Crew Base Layer Top - Men'sNew arrival$79.73Save 33%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Ortovox120 Comp Light Base Layer Hoody - Men's$59.83 - $120.00
- KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Men's$109.00
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall SizesTop Rated$89.95
- Sale Ends Aug 28Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Men'sTop Rated$74.99Save 50%compared to  $150.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's$130.00
- Sale Ends Aug 28ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Men'sTop Rated$79.99Save 50%compared to  $160.00Members use code LABORDAY2025 for an extra 20% off at REI OutletREI OUTLET
- Outdoor ResearchAlpine Onset Merino 150 Crew Base Layer Top - Men'sNew arrival$99.00
31–60 of 83 products
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