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Merino Wool Base Layer Tops
(197 products)Products (197)
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- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$19.83 - $90.00Underwear Weight:LightweightSize Type:Regular, Big
- tasc PerformanceElevation Merino T-Shirt - Men's$34.73 - $54.73Save 30% - 56%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$66.93 - $90.00Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Plus
- tasc PerformanceElevation Merino T-Shirt - Women's$54.73Save 30%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men'sTop Rated$79.95Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$66.73Save 25%compared to  $90.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$81.73Save 28%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$79.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic All-Season Merino T-Shirt - Men's$80.00Underwear Weight:LightweightSize Type:Regular, Big
- IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men'sTop Rated$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Helly HansenLIFA Merino Midweight Crew Base Layer Top - Women's$69.73Save 30%compared to  $100.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- SmartwoolClassic All-Season Merino T-Shirt - Women's$80.00Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$89.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$105.00Underwear Weight:MidweightSize Type:Regular, Plus
- Arc'teryxRho Merino Wool Crew Neck Base Layer Top - Men'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opMerino 185 Base Layer Top - Men's$69.95Underwear Weight:LightweightSize Type:Regular, Big
- Helly HansenMerino Wool Base Layer Set - Kids'$75.73Save 36%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$51.83 - $105.00Underwear 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
- Kari TraaRose Half-Zip Base Layer Top - Women'sTop Rated$89.73Save 25%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- REI Co-opMerino 185 Base Layer Top - Women's$69.95Underwear Weight:LightweightSize Type:Regular
- Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's$140.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men'sTop Rated$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$84.73Save 26%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's$95.00Underwear Weight:MidweightSize Type:Regular, Big
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