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Merino Wool Men's Base Layer Tops
(65 products)Products (65)
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- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$29.83 - $89.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men'sTop Rated$29.83 - $79.95Underwear Weight:LightweightSize Type:Regular, Big
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$51.83 - $105.00Underwear Weight:MidweightSize Type:Regular, Big
- Arc'teryxIonia Merino Wool Base Layer Top - Men'sTop Rated$63.93Save 28%compared to  $90.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$44.83 - $90.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino T-Shirt - Men's$39.83 - $80.00Underwear Weight:LightweightSize Type:Regular, Big
- tasc PerformanceElevation Merino T-Shirt - Men's$49.73Save 37%compared to  $79.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- Arc'teryxIonia Merino Wool Base Layer Hoody - Men'sTop Rated$98.93Save 29%compared to  $140.00Underwear Weight:MidweightSize Type:Regular, Big
- Ortovox185 Merino Rock'n'wool Long-Sleeve Base Layer Top - Men's$54.83Save 50%compared to  $110.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's$46.83 - $95.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opMerino 185 Base Layer Top - Men's$69.95Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men'sTop Rated$85.73Save 25%compared to  $115.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men'sTop Rated$89.73Save 25%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$66.73Save 25%compared to  $90.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's$99.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- Arc'teryxRho Merino Wool Crew Neck Base Layer Top - Men'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's$104.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- 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 OutletUnderwear Weight:MidweightSize Type:Big, RegularREI OUTLET
- Ortovox230 Competition Zip-Neck Base Layer Top - Men's$59.83Save 50%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$130.00Underwear Weight:MidweightSize Type:Regular, Big
- Helly HansenLIFA Merino Midweight Half-Zip Base Layer Top - Men'sTop Rated$79.73Save 27%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men's$99.73Save 26%compared to  $135.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$78.73Save 25%compared to  $105.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- Outdoor ResearchAlpine Onset Merino 150 Base Layer Hoodie - Men'sNew arrival$119.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men'sTop Rated$140.00Underwear Weight:MidweightSize Type:Regular, Big
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Men's$135.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men'sNew arrival$180.00Underwear Weight:MidweightSize Type:Regular, Big
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Men's$84.73Save 26%compared to  $115.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:Regular, BigREI OUTLET
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