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Polyester Base Layers
(120 products)Products (120)
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- Kari TraaFryd Base Layer Top - Women's$29.83 - $65.00Underwear Weight:MidweightSize Type:Regular
- PatagoniaCapilene Midweight Crew Base Layer Top - Women'sTop Rated$43.83 - $89.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opLightweight Base Layer Bottoms - Infants'/Toddlers'Top Rated$19.95Underwear Weight:LightweightSize Type:Regular
- Free CountryForce Grid Fleece Base Layer Bottoms - Women's$34.73Save 36%compared to  $55.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- PatagoniaCapilene Midweight Base Layer Bottoms - Men'sTop Rated$89.00Underwear Weight:MidweightSize Type:Regular, Big
- Free CountryCloud Knit Crewneck Base Layer Top - Men'sNew arrival$26.73Save 33%compared to  $40.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- Free CountryCloud Knit Base Layer Bottoms - Men'sNew arrival$26.73Save 33%compared to  $40.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- Arc'teryxRho LT Base Layer Hoody - Men'sTop Rated$120.00Underwear Weight:LightweightSize Type:Regular, Big
- Arc'teryxRho SV Zip-Neck Base Layer Top - Men'sNew arrival$140.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Free CountryForce Grid Fleece Base Layer Bottoms - Men's$29.73Save 33%compared to  $45.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- Free CountryForce Grid Fleece Base Layer Top - Men's$29.73Save 33%compared to  $45.00Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- Arc'teryxRho Zip-Neck Base Layer Top - Women'sTop Rated$120.00Underwear Weight:LightweightSize Type:Regular, Plus
- PatagoniaCapilene Midweight Base Layer Bottoms - Women's$89.00Size Type:Regular, Plus
- Sale Ends Oct 6CotopaxiLiso Base Layer Top - Men'sTop Rated$28.73Save 55%compared to  $65.00Underwear Weight:MidweightSize Type:BigREI OUTLET
- Arc'teryxKyanite Base Layer Bottoms - Women'sTop Rated$96.73Save 19%compared to  $120.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- KUHLReactiv Lite Grid Quarter-Zip Base Layer Top - Men's$119.00Underwear Weight:LightweightSize Type:Regular, Big
- PatagoniaCapilene Thermal Weight Long Underwear Bottoms - Women's$99.00Underwear Weight:HeavyweightSize Type:Regular
- PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's$99.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Arc'teryxRho Boot Cut Base Layer Bottoms - Women's$72.73Save 19%compared to  $90.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- ColumbiaMidweight Stretch Base Layer Tights - Women'sTop Rated$55.00Underwear Weight:MidweightSize Type:Regular, Plus
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Hot ChillysOriginals Print Base Layer Crew - Kids'New arrival$39.73Save 27%compared to  $55.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Arc'teryxRho LT Base Layer Bottoms - Men's$100.00Underwear Weight:LightweightSize Type:Regular, Big
- ColumbiaMidweight Stretch Long-Sleeve Base Layer Top - Women'sTop Rated$55.00Underwear Weight:MidweightSize Type:Regular, Plus
- Arc'teryxRho SV Base Layer Bottoms - Men'sNew arrival$120.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Hot ChillysPeach Skins Crew Base Layer Top- Kids'$29.73Save 33%compared to  $45.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Sale Ends Oct 6PatagoniaCapilene Midweight Base Layer Bottoms - Infants'$19.73Save 31%compared to  $29.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Hot ChillysOriginals Print Base Layer Pants - Kids'New arrival$39.73Save 27%compared to  $55.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- ColumbiaMidweight Tights 2 - Kids'Top Rated$30.00Underwear Weight:MidweightSize Type:Regular
- Arc'teryxRho LT Base Layer Bottoms - Men's$79.73Save 20%compared to  $100.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
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