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REI Co-op Base Layers
(53 products)Products (53)
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- REI Co-opMerino Midweight Base Layer Bottoms - Kids'Top Rated$24.83 - $49.95Underwear Weight:MidweightSize Type:Regular
- REI Co-opMidweight Base Layer Bottoms - Toddlers'Top Rated$17.93 - $24.95Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 250 High-Rise Base Layer Leggings - Women's$104.95Underwear Weight:HeavyweightSize Type:Regular
- REI Co-opMerino 185 Half-Zip Base Layer Top - Women's$89.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMerino Midweight Base Layer Crew Top - Kids'Top Rated$49.95Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men'sTop Rated$29.83Save 62%compared to $79.95Underwear Weight:LightweightSize Type:Big
- REI Co-opMidweight Half-Zip Base Layer Top - Men's$69.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opMerino 250 Long-Sleeve Crew Base Layer Top - Men's$104.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- REI Co-opMerino 185 Half-Zip Base Layer Top - Men's$89.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- REI Co-opMerino 185 Base Layer Top - Women's$24.83Save 64%compared to $69.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMidweight Long-Sleeve Crew Base Layer Top - Men's$64.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opLightweight Base Layer Crew Top - Kids'Top Rated$29.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMidweight Base Layer Bottoms - Men'sTop Rated$19.83Save 63%compared to $54.95Underwear Weight:MidweightSize Type:Big, Tall
- REI Co-opMidweight Base Layer Bottoms - Women's$64.95Underwear Weight:MidweightSize Type:Petite, Regular, Plus
- REI Co-opLightweight Base Layer Bottoms - Kids'Top Rated$29.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMidweight Base Layer Crew Top - Toddlers'Top Rated$17.93Save 28%compared to $24.95Underwear Weight:MidweightSize Type:Regular
- REI Co-opLightweight Crew Base Layer Top - Infants'/Toddlers'$19.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMerino 250 Long-Sleeve Crew Base Layer Top - Women's$104.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opLightweight Base Layer Bottoms - Infants'/Toddlers'$19.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall SizesTop Rated$29.83Save 66%compared to $89.95Underwear Weight:LightweightSize Type:Tall
- REI Co-opMerino 250 Base Layer Bottoms - Women'sNew arrival$104.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opMerino 250 Half-Zip Base Layer Top - Men'sNew arrival$109.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- REI Co-opMerino 250 Half-Zip Base Layer Top - Women'sNew arrival$109.95Underwear Weight:HeavyweightSize Type:Regular, Plus
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