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Moisture Wicking Base Layer Tops
(220 products)Products (220)
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- Arc'teryxRho Merino Wool Crew Neck Base Layer Top - Men'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Big
- Sale Ends TodaySmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's$97.49Save 25%compared to  $130.00Underwear Weight:MidweightSize Type:Regular
- Sale Ends TodaySmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men'sTop Rated$71.19Save 25%compared to  $95.00Underwear Weight:MidweightSize Type:Regular, Big
- IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's$119.73Save 25%compared to  $160.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Sale Ends Dec 8IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men'sTop Rated$93.69Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, Big
- PatagoniaCapilene Midweight Crew Base Layer Top - Men'sTop Rated$89.00Underwear Weight:MidweightSize Type:Regular, Big
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00Underwear Weight:HeavyweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$89.99 - $120.00Underwear Weight:MidweightSize Type:Regular, Plus
- Sale Ends Dec 8IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$78.69Save 25%compared to  $105.00Underwear Weight:MidweightSize Type:Regular, Plus
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$100.00Underwear Weight:LightweightSize Type:Big, Regular
- Free CountryForce Grid Fleece Base Layer Top - Women's$34.73Save 36%compared to  $55.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- tasc PerformanceElevation Merino T-Shirt - Women's$54.73Save 30%compared to  $79.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$92.73Save 28%compared to  $130.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's$140.00Underwear Weight:MidweightSize Type:Regular, Big
- Free CountryForce Grid Fleece Base Layer Top - Men'sTop Rated$29.73Save 33%compared to  $45.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- Helly HansenLifa Merino Midweight Half-Zip Base Layer Top - Men'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Big
- IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men'sTop Rated$89.73Save 25%compared to  $120.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaEdith Half-Zip Base Layer Top - Women's$81.73Save 25%compared to  $110.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Sale Ends Dec 8REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$62.89Save 30%compared to  $89.95Underwear Weight:LightweightSize Type:Regular
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's$78.73Save 25%compared to  $105.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- Kari TraaRose Light Base Layer Top - Women's$81.73Save 25%compared to  $110.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaRose Light Half-Zip Base Layer Top - Women's$89.73Save 25%compared to  $120.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Arc'teryxRho LT Zip-Neck Base Layer Top - Men'sTop Rated$120.00Underwear Weight:LightweightSize Type:Big, Regular
- SmartwoolClassic All-Season Merino T-Shirt - Women's$59.99 - $80.00Underwear Weight:LightweightSize Type:Regular, Plus
- Sale Ends TodaySmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men'sTop Rated$104.99Save 25%compared to  $140.00Underwear Weight:MidweightSize Type:Regular, Big
- Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's$90.00Underwear Weight:UltralightweightSize Type:Regular, Big
- SmartwoolIntraknit Active Base Layer Crew Shirt - Women's$79.73Save 27%compared to  $110.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Free CountryCloud Knit Crewneck Base Layer Top - Men's$26.73Save 33%compared to  $40.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Men'sTop Rated$95.73Save 40%compared to  $160.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- REI Co-opLightweight Half-Zip Base Layer Top - Women'sTop Rated$44.95Underwear Weight:LightweightSize Type:Regular, Plus
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