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Sun-Protective Fabric Base Layers
(75 products)Products (75)
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- IcebreakerMerino 200 Oasis Base Layer Leggings with Fly - Men'sTop Rated$105.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes$48.93 - $69.95Underwear Weight:LightweightSize Type:Plus
- REI Co-opLightweight Crew Base Layer Top - Men'sTop Rated$29.95Underwear Weight:LightweightSize Type:Regular, Big
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$105.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$49.83 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opMidweight Base Layer Bottoms - Kids'Top Rated$34.95Underwear Weight:MidweightSize Type:Regular
- 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
- REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes$79.95Underwear Weight:LightweightSize Type:Tall, Big
- REI Co-opMerino Midweight Base Layer Crew Top - Kids'Top Rated$49.95Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino Midweight Base Layer Bottoms - Kids'Top Rated$49.95Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall SizesTop Rated$89.95Underwear Weight:LightweightSize Type:Tall
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall SizesTop Rated$79.95Underwear Weight:LightweightSize Type:Tall
- Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women'sTop Rated$61.83 - $125.00Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's$49.83 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- REI Co-opLightweight Crew Base Layer Top - Infants'/Toddlers'Top Rated$19.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMidweight Crew Base Layer Top - Toddlers'Top Rated$24.95Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Base Layer Top - Men's$48.93 - $69.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMidweight Base Layer Bottoms - Toddlers'Top Rated$24.95Underwear Weight:MidweightSize Type:Regular
- Terramar2.0 Cloud Nine Half-Zip Base Layer Top - Women'sNew arrival$34.73Save 30%compared to  $50.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- KUHLReactiv Lite Grid Base Layer Bottoms - Men'sNew arrival$99.00Underwear Weight:LightweightSize Type:Regular
- KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Men'sNew arrival$109.00Underwear Weight:LightweightSize Type:Regular
- KUHLReactiv Lite Grid Quarter-Zip Base Layer Top - Men'sNew arrival$119.00Underwear Weight:LightweightSize Type:Regular
- Outdoor ResearchAlpine Onset Merino Half-Zip Base Layer Top - Women's$54.73Save 49%compared to  $109.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- REI Co-opLightweight Base Layer Bottoms - Kids'Top Rated$29.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opLightweight Base Layer Crew Top - Kids'Top Rated$29.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opLightweight Base Layer Bottoms - Infants'/Toddlers'Top Rated$19.95Underwear Weight:LightweightSize Type:Regular
- IcebreakerMerino 200 Sonebula Thermal Base Layer Leggings - Women's$120.00Underwear Weight:MidweightSize Type:Regular
- Icebreaker200 Oasis 3/4 Base Layer Bottoms - Men's$95.00Underwear Weight:MidweightSize Type:Regular
- Terramar2.0 Cloud Nine Midweight Performance Base Layer Scoop Shirt - Women's$29.73Save 33%compared to  $45.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
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