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- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$44.83 - $62.89Save 30% - 50%compared to  $89.95
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women'sTop Rated$49.83 - $73.39Save 30% - 52%compared to  $104.95
- EnduraSingleTrack Bike Liner Shorts - Men's$70.00
- EnduraSingleTrack Bike Bib Liner Shorts - Men's$100.00
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$29.83 - $41.89Save 30% - 50%compared to  $59.95
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$49.83 - $73.39Save 26% - 50%compared to  $99.95
- Arc'teryxRho LT Base Layer Bottoms - Men's$70.83 - $100.00
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$99.00
- Sale Ends May 26SmartwoolClassic All-Season Merino T-Shirt - Men's$59.99Save 25%compared to  $80.00
- The North FaceSummit Series Pro 120 Base Layer Tights - Women'sTop Rated$100.00
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$79.93 - $86.19Save 25% - 30%compared to  $115.00
- Kari TraaFryd Base Layer Top - Women's$29.83 - $41.99Save 30% - 50%compared to  $60.00
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's$49.83 - $73.39Save 30% - 52%compared to  $104.95
- PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's$109.00
- Arc'teryxIonia Merino Wool Base Layer Top - Men'sTop Rated$90.00
- Ortovox230 Competition Zip-Neck Base Layer Top - Men's$120.00
- PatagoniaDirt Roamer Bike Liner Shorts - Men's$99.00
- Arc'teryxRho Crew Neck Long-Sleeve Base Layer Top - Women's$60.83 - $100.00
- Sale Ends May 26SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$67.49Save 25%compared to  $90.00
- Helly HansenHH Durawool T-Shirt - Women's$80.00
- Sale Ends May 26SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$86.19Save 25%compared to  $115.00
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$66.83 - $101.19Save 25% - 50%compared to  $135.00
- Arc'teryxIonia Merino Wool Logo Base Layer Shirt - Men'sTop Rated$69.93 - $90.00
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$64.83 - $97.49Save 25% - 50%compared to  $130.00
- Arms of Andes300 Lightweight Alpaca Wool Base Layer Leggings - Men's$105.00
- Arc'teryxRho LT Zip-Neck Base Layer Top - Men'sTop Rated$84.83 - $120.00
- Sale Ends May 26REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$27.89Save 30%compared to  $39.95
- Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women'sTop Rated$61.83 - $93.69Save 25% - 50%compared to  $125.00
- Helly HansenHH Durawool Crew Long-Sleeve Base Layer - Women's$90.00
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