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Long Sleeve Base Layer Tops
(222 products)Products (222)
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- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$62.93 - $90.00Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$66.93 - $90.00Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$54.95Underwear Weight:MidweightSize Type:Regular, Plus
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$59.83 - $100.00Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's$55.93 - $79.95Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$59.83 - $115.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$55.93 - $79.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's$39.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Plus
- tasc PerformanceElevation Merino T-Shirt - Women'sTop Rated$49.73Save 37%compared to $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$59.83 - $120.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$44.83 - $89.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$81.73Save 28%compared to $115.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's$98.83Save 29%compared to $140.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opMidweight Long-Sleeve Base Layer Top - Men'sTop Rated$54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's$70.93 - $95.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opLightweight Half-Zip Base Layer Top - Men's$44.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- REI Co-opMidweight Base Layer Half-Zip Top - Men'sTop Rated$59.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opLightweight Half-Zip Base Layer Top - Women's$44.95Underwear Weight:LightweightSize Type:Regular, Plus
- Arc'teryxKyanite Base Layer Crew Top - Women's$59.83Save 50%compared to $120.00Underwear Weight:HeavyweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$62.93 - $89.95Underwear Weight:LightweightSize Type:Regular, Big
- Arc'teryxRho LT Zip-Neck Base Layer Top - Men'sTop Rated$84.83 - $120.00Underwear Weight:LightweightSize Type:Regular, Big
- tasc PerformanceElevation Merino T-Shirt - Men's$49.73Save 37%compared to $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$49.83 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's$49.83 - $104.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- REI Co-opMidweight Base Layer Crew Top - Kids'Top Rated$34.95Underwear Weight:MidweightSize Type:Regular
- Arc'teryxRho Merino Wool Crew Neck Base Layer Top - Men'sTop Rated$84.83 - $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
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women'sTop Rated$49.83 - $104.95Underwear Weight:HeavyweightSize Type:Regular, Plus
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