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Polyester Base Layers
(114 products)Products (114)
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- REI Co-opMidweight Long-Sleeve Base Layer Top - Men'sTop Rated$54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$54.95Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opLightweight Base Layer Bottoms - Men'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's$39.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMidweight Base Layer Bottoms - Men's$54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opMidweight Base Layer Tights - Women's$54.95Underwear Weight:MidweightSize Type:Regular, Plus, Petite
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opLightweight Base Layer Tights - Women'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMidweight Base Layer Half-Zip Top - Men'sTop Rated$59.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- Free CountryCloud Knit Base Layer Bottoms - Women's$31.73Save 29%compared to  $45.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho Heavyweight Base Layer Bottoms - Men'sTop Rated$84.83Save 29%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular, Big
- REI Co-opLightweight Crew Base Layer Top - Women's$29.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opLightweight Half-Zip Base Layer Top - Women's$44.95Underwear Weight:LightweightSize Type:Regular, Plus
- PatagoniaCapilene Midweight Base Layer Bottoms - Women's$89.00Size Type:Regular, Plus
- PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's$109.00Underwear Weight:HeavyweightSize Type:Regular
- PatagoniaCapilene Midweight Crew Base Layer Top - Women'sTop Rated$89.00Underwear Weight:MidweightSize Type:Regular, Plus
- Arc'teryxRho Base Layer Bottoms - Women's$100.00Underwear Weight:LightweightSize Type:Regular, Plus
- PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's$99.00Underwear Weight:HeavyweightSize Type:Regular
- PatagoniaCapilene Midweight Crew Base Layer Top - Men'sTop Rated$89.00Underwear Weight:MidweightSize Type:Regular, Big
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men'sTop Rated$99.00Underwear Weight:MidweightSize Type:Regular, Big
- PatagoniaCapilene Midweight Base Layer Bottoms - Men'sTop Rated$89.00Underwear Weight:MidweightSize Type:Regular
- Arc'teryxRho Zip-Neck Base Layer Top - Women'sTop Rated$120.00Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opLightweight Crew Base Layer Top - Men's$29.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opLightweight Half-Zip Base Layer Top - Men's$44.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- Arc'teryxRho LT Base Layer Bottoms - Men's$70.83 - $100.00Underwear Weight:LightweightSize Type:Regular, Big
- The North FaceSummit Series Pro 120 Base Layer Tights - Women'sTop Rated$100.00Underwear Weight:UltralightweightSize Type:Regular, Plus
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00Underwear Weight:HeavyweightSize Type:Regular
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$99.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaFryd Base Layer Pants - Women's$60.00Underwear Weight:MidweightSize Type:Regular
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