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Lightweight Base Layers
(160 products)Products (160)
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REI Co-opMerino 185 Base Layer Bottoms - Men's
$79.95Underwear Weight:LightweightSize Type:Regular, BigREI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
$39.83 - $79.95Underwear Weight:LightweightSize Type:Regular- Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95Underwear Weight:LightweightSize Type:Regular, Big REI Co-opMerino 185 Base Layer Bottoms - Women's
$79.95Underwear Weight:LightweightSize Type:Regular- Top Rated
REI Co-opLightweight Base Layer Crew Top - Kids'
$29.95Underwear Weight:LightweightSize Type:Regular SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$90.00Underwear Weight:LightweightSize Type:Regular, Big- Top Rated
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's
$27.93Save 30%compared to  $39.95Underwear Weight:LightweightSize Type:Regular, Big - Top Rated
REI Co-opLightweight Base Layer Bottoms - Kids'
$29.95Underwear Weight:LightweightSize Type:Regular SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's
$90.00Underwear Weight:LightweightSize Type:Regular, Big- Top Rated
Arc'teryxRho LT Base Layer Hoodie - Men's
$120.00Underwear Weight:LightweightSize Type:Regular, Big - Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$89.95Underwear Weight:LightweightSize Type:Regular, Big SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's
$130.00Underwear Weight:LightweightSize Type:Regular, Big- Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's
$89.95Underwear Weight:LightweightSize Type:Regular SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's
$130.00Underwear Weight:LightweightSize Type:RegularArc'teryxRho Base Layer Bottoms - Women's
$70.83 - $100.00Underwear Weight:LightweightSize Type:Regular, PlusSmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
$53.83 - $90.00Underwear Weight:LightweightSize Type:Regular, PlusArc'teryxRho LT Base Layer Bottoms - Men's
$100.00Underwear Weight:LightweightSize Type:Regular, BigSmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
$90.00Underwear Weight:LightweightSize Type:Regular, Plus- Top Rated
REI Co-opLightweight Crew Base Layer Top - Infants'/Toddlers'
$19.95Underwear Weight:LightweightSize Type:Regular - Top Rated
REI Co-opLightweight Base Layer Bottoms - Infants'/Toddlers'
$19.95Underwear Weight:LightweightSize Type:Regular Arc'teryxRho Merino Wool Base Layer Bottoms - Men's
$120.00Underwear Weight:LightweightSize Type:Regular, BigArtilectBoulder 125 Base Layer Leggings - Men's
$120.00Underwear Weight:LightweightSize Type:Regular, Big- Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes
$79.95Underwear Weight:LightweightSize Type:Plus REI Co-opMerino 185 Base Layer Bottoms - Women's Plus Sizes
$79.95Underwear Weight:LightweightSize Type:PlusKari TraaKlara High-Waist Base Layer Pant - Women's
$90.00Underwear Weight:LightweightSize Type:RegularArms of Andes300 Lightweight Alpaca Wool Base Layer Leggings - Men's
$105.00Underwear Weight:LightweightSize Type:Regular, BigArms of Andes300 Lightweight Alpaca Wool Half-Zip Base Layer Top - Women's
$115.00 - $135.00Underwear Weight:LightweightSize Type:RegularIcebreaker125 ZoneKnit Base Layer Leggings - Men's
$125.00Underwear Weight:LightweightSize Type:Regular, BigSmartwoolIntraknit Thermal Merino Base Layer 3/4 Bottoms - Men's
$120.00Underwear Weight:LightweightSize Type:Regular, BigREI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes
$89.95Underwear Weight:LightweightSize Type:Plus
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