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Long Sleeve Men's Base Layer Tops
(74 products)Products (74)
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- SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men'sTop Rated$69.83 - $140.00Underwear Weight:MidweightSize Type:Regular, Big
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00Underwear Weight:HeavyweightSize Type:Regular
- Ortovox230 Competition Zip-Neck Base Layer Top - Men's$120.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$130.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall SizesTop Rated$89.95Underwear Weight:LightweightSize Type:Tall
- Ortovox230 Competition Long-Sleeve Base Layer Top - Men's$110.00Underwear Weight:MidweightSize Type:Regular, Big
- Arc'teryxRho LT Zip-Neck Base Layer Top - Men'sTop Rated$84.83 - $120.00Underwear Weight:LightweightSize Type:Regular, Big
- Ortovox120 Comp Light Base Layer Hoody - Men's$120.00Underwear Weight:LightweightSize Type:Regular
- Arc'teryxRho Merino Wool Crew Neck Base Layer Top - Men'sTop Rated$84.83 - $120.00Underwear Weight:MidweightSize Type:Big, Regular
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Men's$104.73Save 30%compared to $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- KUHLReactiv Lite Grid Quarter-Zip Base Layer Top - Men'sNew arrival$119.00Underwear Weight:LightweightSize Type:Regular
- SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's$155.00Underwear Weight:MidweightSize Type:Big
- Icebreaker260 ZoneKnit Long-Sleeve Crewe Thermal Top - Men'sTop Rated$165.00Underwear Weight:HeavyweightSize Type:Regular
- Helly HansenH1 Pro Lifa Seamless Half-Zip Base Layer Top - Men's$96.73Save 35%compared to $150.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Turtleneck Base Layer - Men'sTop Rated$135.00Underwear Weight:MidweightSize Type:Big
- IcebreakerMerino 175 Everyday Long-Sleeve Crewe Thermal Top - Men's$63.73Save 25%compared to $85.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Base Layer Hoodie - Men's$120.00Underwear Weight:MidweightSize Type:Regular
- Helly HansenLifa Merino Midweight Half-Zip Base Layer Top - Men's$110.00Underwear Weight:MidweightSize Type:Regular
- Free CountryMicrotech Heat Base Layer Top - Men's$28.73Save 36%compared to $45.00Underwear Weight:LightweightSize Type:BigREI OUTLET
- Free CountryMicrotech Heat Cocaber Base Layer Top - Men's$26.73Save 33%compared to $40.00Underwear Weight:LightweightSize Type:BigREI OUTLET
- Free CountryForce Grid Fleece Base Layer Top - Men's$29.73Save 33%compared to $45.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- Free CountryForce Grid Fleece Crew Base Layer Top - Men'sTop Rated$31.73Save 29%compared to $45.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- CotopaxiLiso Base Layer Top - Men'sTop Rated$48.73Save 25%compared to $65.00Underwear Weight:MidweightSize Type:BigREI OUTLET
- ArtilectGoldhill 125 Zoned Crew Base Layer Top - Men's$89.73Save 30%compared to $130.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Men's$90.73Save 30%compared to $130.00Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Base Layer Top - Men's$93.73Save 25%compared to $125.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- CraftCORE Dry Active Comfort Base Layer Top - Men's$39.73Save 38%compared to $64.95Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- ArtilectFlatiron 185 Crew Base Layer Top - Men's$96.73 - $109.73Save 30% - 31%compared to $140.00 - $160.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$78.73Save 25%compared to $105.00Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- SmartwoolIntraknit Active Base Layer Crew Shirt - Men's$81.73Save 25%compared to $110.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
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