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Men's Base Layer Tops
(112 products)Products (112)
Sort: Best Match
- Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall - Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Big, Tall - 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 PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$89.00Underwear Weight:MidweightSize Type:Regular, Big- Top Rated
REI Co-opLightweight Base Layer Half-Zip Top - Men's
$29.93Save 33%compared to $44.95Underwear Weight:LightweightSize Type:Regular, Big - Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$115.00Underwear Weight:MidweightSize 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 REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$99.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall- Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95Underwear Weight:LightweightSize Type:Regular, Big - Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$51.83 - $105.00Underwear Weight:MidweightSize Type:Regular, Big REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's Tall Sizes
$27.93Save 30%compared to $39.95Underwear Weight:LightweightSize Type:Tall, BigREI Co-opLightweight Base Layer Crew Top - Men's
$19.93Save 33%compared to $29.95Underwear Weight:LightweightSize Type:Regular, Big, TallSmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$90.00Underwear Weight:LightweightSize Type:Regular, Big- Top Rated
PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
$99.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall Sizes
$79.95Underwear Weight:LightweightSize Type:Tall, Big - Top Rated
SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's
$95.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
CotopaxiLiso Base Layer Top - Men's
$48.73Save 25%compared to $65.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET - Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
$125.00Underwear Weight:HeavyweightSize Type:Regular, Big - Top Rated
Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men's
$99.93 - $140.00Underwear Weight:HeavyweightSize Type:Regular, Big REI Co-opMerino 185 Base Layer Top - Men's
$69.95Underwear Weight:LightweightSize Type:Regular, BigArms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's
$85.00Underwear Weight:UltralightweightSize Type:Regular, BigREI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$104.95Underwear Weight:HeavyweightSize Type:Regular, Big, TallSmartwoolClassic Thermal Merino Colorblock Base Layer Crew Top - Men's
$86.73Save 24%compared to $115.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETFree CountryMicrotech Heat Cocaber Base Layer Top - Men's
$26.73Save 33%compared to $40.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLETFree CountryForce Grid Fleece Base Layer Top - Men's
$29.73Save 33%compared to $45.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLETIcebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Men's
$115.00Underwear Weight:MidweightSize Type:Regular, Bigtasc PerformanceElevation Merino T-Shirt - Men's
$54.73Save 30%compared to $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLETSmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
$120.00Underwear Weight:MidweightSize Type:Regular, BigIcebreakerMerino 200 Sonebula Long-Sleeve Half-Zip Hood Base Layer Top - Men's
$111.73Save 25%compared to $150.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET- Top Rated
Arc'teryxRho LT Crew Neck Base Layer Top - Men's
$100.00Underwear Weight:LightweightSize Type:Regular, Big
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