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Men's Base Layer Tops: Deals
(33 products)Products (33)
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- REI Co-opMidweight Long-Sleeve Base Layer Top - Men'sTop Rated$19.83 - $34.93Save 36% - 63%compared to $54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men'sTop Rated$49.93Save 37%compared to $79.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMidweight Base Layer Half-Zip Top - Men'sTop Rated$39.93Save 33%compared to $59.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$59.93Save 33%compared to $89.95Underwear Weight:LightweightSize Type:Regular, Big
- PatagoniaCapilene Midweight Crew Base Layer Top - Men'sTop Rated$52.83Save 40%compared to $89.00Underwear Weight:MidweightSize Type:Regular, Big
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's$58.83Save 40%compared to $99.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opMerino 185 Base Layer Top - Men's$39.93Save 42%compared to $69.95Underwear Weight:LightweightSize Type:Regular
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$58.83 - $99.00Underwear Weight:HeavyweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Hoodie - Men's$108.73Save 25%compared to $145.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men'sTop Rated$84.73Save 26%compared to $115.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's$96.73Save 25%compared to $130.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- tasc PerformanceElevation Merino T-Shirt - Men's$44.73Save 43%compared to $79.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men'sTop Rated$89.73Save 25%compared to $120.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall SizesTop Rated$59.93Save 33%compared to $89.95Underwear Weight:LightweightSize Type:Tall
- SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$66.73Save 25%compared to $90.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men's$134.73Save 25%compared to $180.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's$68.83Save 40%compared to $115.00Underwear Weight:HeavyweightSize Type:Regular
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$59.83 - $150.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall SizesTop Rated$49.93Save 37%compared to $79.95Underwear Weight:LightweightSize Type:Tall
- PatagoniaCapilene Midweight Zip-Neck Long Underwear Top - Men's$63.73Save 35%compared to $99.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Free CountryForce Grid Fleece Base Layer Top - Men'sTop Rated$22.73Save 49%compared to $45.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's$104.73Save 25%compared to $140.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Free CountryCloud Knit Crewneck Base Layer Top - Men's$26.73Save 33%compared to $40.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$92.73 - $96.73Save 25% - 28%compared to $130.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- PatagoniaCapilene Thermal Weight Zip-Neck Base Layer Top - Men's$69.73Save 36%compared to $109.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- PatagoniaCapilene Thermal Weight Crewneck Base Layer Top - Men's$73.73Save 25%compared to $99.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Black DiamondCoefficient LT One Piece Base Layer - Men's$137.73Save 37%compared to $219.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- IcebreakerMerino 125 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$88.73Save 34%compared to $135.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Men's$84.73Save 26%compared to $115.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men'sTop Rated$89.73Save 25%compared to $120.00Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.Underwear Weight:MidweightSize Type:RegularREI OUTLET
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