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Sun-Protective Fabric Base Layers
(86 products)Products (86)
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- TerramarC-Suite Fusion Thermal Pants - Women's$42.73Save 34%compared to  $65.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Hot ChillysClima-Wool Base Layer Bottoms - Men's$79.73Save 33%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Terramar2.0 Thermapeak Base Layer Pants - Kids'New arrival$16.73Save 33%compared to  $25.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Sale Ends Dec 8REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes$62.89Save 30%compared to  $89.95Underwear Weight:LightweightSize Type:Plus
- Sale Ends Dec 8REI Co-opMerino 185 Base Layer Bottoms - Women's Plus Sizes$55.89Save 30%compared to  $79.95Underwear Weight:LightweightSize Type:Plus
- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Pants - Men's$56.73Save 29%compared to  $80.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- KUHLReactiv Lite Grid Base Layer Bottoms - Women's$99.00Underwear Weight:LightweightSize Type:Regular
- Arms of Andes300 Alpaca Wool Long-Sleeve Crew Base Layer Top - Men's$130.00 - $140.00Underwear Weight:LightweightSize Type:Regular, Big
- Sale Ends Dec 8REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes$48.89Save 30%compared to  $69.95Underwear Weight:LightweightSize Type:Plus
- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Joggers - Women's$51.73Save 35%compared to  $80.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Men's$109.00Underwear Weight:LightweightSize Type:Regular, Big
- Kari TraaFryd Half-Zip Base Layer Top - Women's$48.73Save 26%compared to  $66.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Hot ChillysPeach Skins Base Layer Bottoms - Kids'$29.73Save 33%compared to  $45.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Hot ChillysPeach Skins T-Neck Base Layer Top - Kids'$32.73Save 34%compared to  $50.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Icebreaker200 Oasis Sonebula Base Layer Leggings - Women's$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- KUHLReactiv Lite Grid Base Layer Bottoms - Men'sTop Rated$99.00Underwear Weight:LightweightSize Type:Regular, Big
- Outdoor ResearchAlpine Onset Merino 150 Base Layer Hoodie - Women'sTop Rated$119.00Underwear Weight:LightweightSize Type:Regular
- Outdoor ResearchAlpine Onset Merino 150 Crew Base Layer Top - Women's$99.00Underwear Weight:LightweightSize Type:Regular
- Sale Ends TodayBurtonFleece Base Layer Set - Toddlers'$51.89Save 20%compared to  $64.95Underwear Weight:HeavyweightSize Type:Regular
- KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Women's$109.00Underwear Weight:LightweightSize Type:Regular
- Sale Ends TodayBurtonFleece Base Layer Set - Toddlers'$51.89Save 20%compared to  $64.95Underwear Weight:HeavyweightSize Type:Regular
- KUHLReactiv Lite Grid Quarter-Zip Base Layer Top - Women's$119.00Underwear Weight:LightweightSize Type:Regular
- Outdoor ResearchAlpine Onset Merino 150 Half-Zip Base Layer Top - Women's$109.00Underwear Weight:LightweightSize Type:Regular
- Outdoor ResearchAlpine Onset Merino 150 Base Layer Bottoms - Women's$99.00Underwear Weight:LightweightSize Type:Regular
- RHONEApres Houndstooth Quarter-Zip Base Layer Top - Women'sNew arrival$148.00Underwear Weight:LightweightSize Type:Regular
- RHONEApres Houndstooth Seamless Base Layer Leggings - Women'sNew arrival$128.00Underwear Weight:LightweightSize Type:Regular
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