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Men's Base Layer Tops: Deals
(35 products)Products (35)
Sort: Best Match
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's$29.93 - $44.95Top RatedUnderwear Weight:LightweightSize Type:Regular, Big
- tasc PerformanceElevation Merino T-Shirt - Men's$54.73Save 30%compared to $79.00REI OutletUnderwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's$86.97Save 30%compared to $125.00REI OutletTop RatedUnderwear Weight:MidweightSize Type:Big
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$92.73 - $96.73Save 25% - 28%compared to $130.00REI OutletUnderwear Weight:MidweightSize Type:Regular, Big
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's$59.83 - $120.00Top RatedUnderwear Weight:MidweightSize Type:Regular, Big
- REI Co-opLightweight Half-Zip Base Layer Top - Men's$34.93 - $49.95Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's$107.87Save 30%compared to $155.00REI OutletUnderwear Weight:HeavyweightSize Type:Regular, Big
- Free CountryCloud Knit Crewneck Base Layer Top - Men's$26.73Save 33%compared to $40.00REI OutletUnderwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's$90.87Save 30%compared to $130.00REI OutletUnderwear Weight:MidweightSize Type:Regular, Big
- Free CountryForce Grid Fleece Base Layer Top - Men's$26.73Save 33%compared to $40.00REI OutletTop RatedUnderwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Hoodie - Men's$108.73Save 25%compared to $145.00REI OutletTop RatedUnderwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's$89.73Save 25%compared to $120.00REI OutletTop RatedUnderwear Weight:MidweightSize Type:Regular, Big
- REI Co-opLightweight Crew Base Layer Top - Men's$24.93 - $34.95Top RatedUnderwear Weight:LightweightSize Type:Regular, Big, Tall
- SmartwoolIntraknit Thermal Merino Base Layer Colorblock Crew - Men's$96.73Save 25%compared to $130.00REI OutletUnderwear Weight:MidweightSize Type:Big, Regular
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's$84.97Save 29%compared to $120.00REI OutletUnderwear Weight:LightweightSize Type:Regular, Big
- SwixRaceX Merino Half-Zip Base Layer Top - Men's$46.73Save 33%compared to $70.00REI OutletNew arrivalUnderwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men's$134.73Save 25%compared to $180.00REI OutletUnderwear Weight:MidweightSize Type:Regular, Big
- Helly HansenHH Durawool Long-Sleeve Henley Base Layer Top - Men's$69.97Save 30%compared to $100.00REI OutletUnderwear Weight:LightweightSize Type:Regular, Big
- Black DiamondSolution 150 Merino Baselayer Crew Top - Men's$79.73Save 40%compared to $135.00REI OutletTop RatedUnderwear Weight:LightweightSize Type:Regular
- Helly HansenHH Lifa Active Crew Base Layer Top - Men's$48.73Save 25%compared to $65.00REI OutletTop RatedUnderwear Weight:LightweightSize Type:Regular, Big
- IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men's$47.87Save 60%compared to $120.00REI OutletTop RatedUnderwear Weight:MidweightSize Type:Regular
- Black DiamondCoefficient LT One Piece Base Layer - Men's$128.77Save 41%compared to $219.00REI OutletUnderwear Weight:LightweightSize Type:Regular
- RaphaThermal Base Layer Top - Men's$79.97Save 27%compared to $110.00REI OutletNew arrivalUnderwear Weight:LightweightSize Type:Regular
- Helly HansenHH Durawool T-Shirt - Men's$55.97Save 34%compared to $85.00REI OutletUnderwear Weight:LightweightSize Type:Regular, Big
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Men's$109.73Save 29%compared to $155.00REI OutletUnderwear Weight:MidweightSize Type:Regular, Big
- Helly HansenLIFA Active Stripe Crew Base Layer Top - Men's$48.73Save 25%compared to $65.00REI OutletUnderwear Weight:LightweightSize Type:Regular, Big
- Helly HansenLIFA Merino Midweight Crew Base Layer Top - Men's$78.73Save 25%compared to $105.00REI OutletUnderwear Weight:MidweightSize Type:Regular, Big
- SwixRaceX Classic Half-Zip Base Layer Top - Men's$44.73Save 36%compared to $70.00REI OutletNew arrivalUnderwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMidweight Long-Sleeve Base Layer Top - Men's$19.83Save 63%compared to $54.95Top RatedUnderwear Weight:MidweightSize Type:Regular
- Helly HansenHH Durawool Crew Long-Sleeve Base Layer Top - Men's$69.73Save 26%compared to $95.00REI OutletUnderwear Weight:LightweightSize Type:Big
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