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Lightweight Base Layer Tops
(75 products)Products (75)
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- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's$49.83 - $100.00Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men'sTop Rated$49.93Save 37%compared to $79.95Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$100.00Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women'sTop Rated$44.95Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women'sTop Rated$69.73Save 26%compared to $95.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- REI Co-opLightweight Crew Base Layer Top - Women'sTop Rated$29.95 - $34.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opLightweight Crew Base Layer Top - Men'sTop Rated$34.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- SmartwoolClassic All-Season Merino T-Shirt - Men's$95.00Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$49.93Save 37%compared to $79.95Underwear Weight:LightweightSize Type:Regular
- 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
- SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$66.73Save 25%compared to $90.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$75.93 - $100.00Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men'sTop Rated$44.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opLightweight Half-Zip Base Layer Top - Men's$49.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMerino 185 Base Layer Top - Men's$39.93Save 42%compared to $69.95Underwear Weight:LightweightSize Type:Regular
- Icebreaker125 Cool-Lite Merino Blend Sphere III Scoop T-Shirt - Women's$90.00Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic All-Season Merino T-Shirt - Women's$95.00Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opMerino 185 Base Layer Top - Women's$44.93Save 35%compared to $69.95Underwear Weight:LightweightSize Type:Regular
- tasc PerformanceElevation Merino T-Shirt - Women's$46.73Save 40%compared to $79.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho LT Zip-Neck Base Layer Top - Men'sTop Rated$96.93 - $120.00Underwear Weight:LightweightSize Type:Regular, Big
- Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$115.00 - $130.00Underwear Weight:LightweightSize Type:Regular, Plus
- Kari TraaIselin Long-Sleeve Base Layer Top - Women'sNew arrival$44.73Save 31%compared to $65.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho LT Base Layer Hoody - Men'sTop Rated$120.00Underwear Weight:LightweightSize Type:Big
- Arc'teryxRho Zip-Neck Base Layer Top - Women'sTop Rated$90.93 - $96.93Underwear Weight:LightweightSize Type:Regular, Plus
- Arc'teryxSatoro Merino Wool Crew Neck Long-Sleeve Base Layer Top - Women'sTop Rated$95.73Save 20%compared to $120.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Men's$84.73Save 26%compared to $115.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- REI Co-opLightweight Half-Zip Base Layer Top - Women'sTop Rated$49.95Underwear Weight:LightweightSize Type:Regular, Plus
- Ortovox120 Comp Light Base Layer Hoody - Men's$120.00Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$59.93Save 33%compared to $89.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's$130.00Underwear Weight:LightweightSize Type:Regular, Big
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