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Men's Base Layer Tops
(75 products)Products (75)
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- tasc PerformanceElevation Merino T-Shirt - Men's$49.73Save 37%compared to $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- REI Co-opMidweight Long-Sleeve Base Layer Top - Men'sTop Rated$54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's$39.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- SmartwoolClassic All-Season Merino T-Shirt - Men's$80.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$90.00Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMidweight Base Layer Half-Zip Top - Men'sTop Rated$59.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's$49.83 - $104.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- REI Co-opLightweight Crew Base Layer Top - Men's$29.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's$79.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opLightweight Half-Zip Base Layer Top - Men's$44.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's$49.83 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Big
- PatagoniaCapilene Midweight Crew Base Layer Top - Men'sTop Rated$89.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men'sTop Rated$69.83 - $140.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$66.73Save 25%compared to $90.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho LT Zip-Neck Base Layer Top - Men'sTop Rated$84.83 - $120.00Underwear Weight:LightweightSize Type:Regular, Big
- Arc'teryxRho Merino Wool Crew Neck Base Layer Top - Men'sTop Rated$84.83Save 29%compared to $120.00Underwear Weight:MidweightSize Type:Big, Regular
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men'sTop Rated$85.73Save 25%compared to $115.00Underwear 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
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$70.83 - $100.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's$95.00Underwear Weight:MidweightSize Type:Regular, Big
- Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men's$112.73Save 19%compared to $140.00Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET
- Free CountryForce Grid Fleece Base Layer Top - Men's$29.73Save 33%compared to $45.00Underwear Weight:LightweightSize Type:BigREI OUTLET
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$89.95Underwear Weight:LightweightSize Type:Regular, Big
- CotopaxiLiso Base Layer Top - Men'sTop Rated$48.73Save 25%compared to $65.00Underwear Weight:MidweightSize Type:BigREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men'sTop Rated$89.73Save 25%compared to $120.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- IcebreakerMerino 260 Tech Long Sleeve Crewe Base Layer Top - Men'sTop Rated$119.73Save 27%compared to $165.00Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET
- Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men'sTop Rated$98.83Save 29%compared to $140.00Underwear Weight:HeavyweightSize Type:Regular, Big
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$105.00Underwear Weight:MidweightSize Type:Regular, Big
- Free CountryMicrotech Heat Cocaber Base Layer Top - Men's$26.73Save 33%compared to $40.00Underwear Weight:LightweightSize Type:BigREI OUTLET
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