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Long Sleeve Base Layer Tops
(199 products)Products (199)
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- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$37.93 - $54.95Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men'sTop Rated$39.83 - $79.95Underwear Weight:LightweightSize Type:Regular, Big
- Arc'teryxRho LT Zip-Neck Base Layer Top - Men'sTop Rated$84.93 - $120.00Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMidweight Base Layer Half-Zip Top - Men'sTop Rated$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opMidweight Long-Sleeve Base Layer Top - Men'sTop Rated$37.93 - $54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- REI Co-opMidweight Base Layer Crew Top - Kids'Top Rated$23.93 - $34.95Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$49.83 - $89.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opLightweight Half-Zip Base Layer Top - Women's$44.95Underwear 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-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$62.93 - $89.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$66.93 - $90.00Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolIntraknit Active Long-Sleeve Base Layer Top - Women's$59.83Save 45%compared to  $110.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$79.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Plus
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$72.93 - $105.00Underwear Weight:MidweightSize Type:Regular, Plus
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$70.93Save 29%compared to  $100.00Underwear Weight:LightweightSize Type:Regular, Big
- 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 Crew Base Layer Top - Men'sTop Rated$69.83 - $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 Quarter-Zip Base Layer Top - Men's$70.93 - $95.00Underwear Weight:MidweightSize Type:Regular, Big
- PatagoniaCapilene Midweight Crew Base Layer Top - Men'sTop Rated$59.93 - $89.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- tasc PerformanceElevation Merino T-Shirt - Men's$49.73Save 37%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- PatagoniaCapilene Midweight Crew Base Layer Top - Women'sTop Rated$59.93 - $89.00Underwear Weight:MidweightSize Type:Regular, Plus
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men'sTop Rated$69.93 - $99.00Underwear 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-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes$39.83 - $79.95Underwear Weight:LightweightSize Type:Plus
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