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Base Layers
(474 products)Products (474)
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- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Kids'$51.73Save 26%compared to  $70.00REI OUTLET
- Arms of Andes300 Alpaca Wool Long-Sleeve Crew Base Layer Top - Men's$130.00 - $140.00
- Ortovox120 Comp Light Base Layer Hoody - Men's$120.00
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's$95.00
- Kari TraaRose Base Layer Hoodie - Women's$97.73Save 24%compared to  $130.00REI OUTLET
- Deux par DeuxThermal Underwear Base Layer Set - Toddlers'$72.00
- Helly HansenLifa Merino Midweight Base Layer Pants - Men's$105.00
- IcebreakerMerino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top - Women's$104.73Save 25%compared to  $140.00Members, use code OUTCOLD25 to save an extra 25% on this item, thru 11/3.REI OUTLET
- REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes$79.95
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$135.00
- CraftCORE Dry Active Comfort Base Layer Top - Men's$39.73Save 38%compared to  $64.95REI OUTLET
- Free CountryForce Grid Fleece Base Layer Bottoms - Men's$29.73Save 33%compared to  $45.00REI OUTLET
- HalfdaysSophia Base Layer Leggings - Women's$95.00
- Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's$90.00
- Kari TraaRose Half-Zip Base Layer Top - Women'sTop Rated$140.00
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$89.73Save 30%compared to  $130.00REI OUTLET
- Kari TraaEloise Long-Sleeve Base Layer Top - Women's$52.73Save 24%compared to  $70.00REI OUTLET
- Terramar3.0 Thermawool Base Layer Tights - Women's$52.73Save 24%compared to  $70.00REI OUTLET
- Icebreaker200 ZoneKnit Merino Thermal Base Layer Leggings - Men's$109.73Save 26%compared to  $150.00REI OUTLET
- ArtilectFlatiron 185 Base Layer Leggings - Women's$109.73Save 31%compared to  $160.00REI OUTLET
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes$79.95
- SpraywayEffra Hoody Base Layer Top - Women's$49.73Save 28%compared to  $69.95REI OUTLET
- Kari TraaFryd Long-Sleeve Base Layer Top - Women's$44.73Save 25%compared to  $60.00REI OUTLET
- Ortovox120 Comp Light Short Base Layer Pants - Men's$70.00
- The North FaceSummit Pro 120 Base Layer Tights - Women's$100.00
- SmartwoolIntraknit Active Base Layer Bottoms - Men's$81.73Save 25%compared to  $110.00REI OUTLET
- Icebreaker200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top - Women's$89.73Save 25%compared to  $120.00REI OUTLET
- ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Men'sTop Rated$109.73Save 31%compared to  $160.00REI OUTLET
- The North FaceDotKnit Thermal Base Layer Set - Toddlers'New arrival$70.00
- Arc'teryxRho LT Base Layer Bottoms - Men's$79.73Save 20%compared to  $100.00REI OUTLET
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