Active Base Layers
Danish Endurance Merino Wool Long Sleeve Base Layer Shirt for Men, Thermal Shirt
$59
Compare at 2 stores
Man Mammut Aenergy FL Half Zip Longsleeve
$89.95
Compare at 21 stores
Brand New 32 Degrees Heat White, Long Sleeve Tee…size M
$14
Compare at 2 stores
Fieldsheer Heated & Cooling Apparel. Work and play in year round comfort.
$15
Compare at 87 stores
Arc'teryx Rho Heavyweight Zip Neck Men's | Warm Polartec Stretch Fleece Base Layer
$180
Compare at 90 stores
Sitka Men's Core Merino 120 Long-Sleeve Crew
$119
Compare at 11 stores
Sitka Men's Core Merino 120 Long-Sleeve Crew
$119
Compare at 56 stores
Classic Thermal Merino Base Layer Bottom Smartwool Men's
$100
Compare at 39 stores
Icebreaker — Men's 260 Tech Long Sleeve Half Zip
$122.61
Compare at 13 stores
SITKA Gear Mens Core Merino 220 Bottom
$129
Compare at 61 stores
Columbia Midweight Stretch Long Sleeve Top
$55
Compare at 37 stores
Arc'teryx Rho LT Zip Neck Men's
$89.93
Compare at 16 stores
Sitka Core Merino 330 Half-Zip - Colt - M
$219
Compare at 69 stores
Burton Men's Roadie Base Layer Tech T-Shirt
$71.96
Compare at 7 stores
Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip
$72
Compare at 27 stores
Stanfield's Men's 2 Layer Merino Wool Blend Thermal Long Johns - Charcoal
$125.18
Compare at 5 stores
Arc'teryx Men's Rho LT Hoody
$135
Compare at 82 stores
Carhartt Men's Force Lightweight Stretch Grid Base Layer Crewneck Top - Black
$34.99
Compare at 7 stores
Mens Performance Baselayer Crew - Black
$34.99
Compare at 12 stores
Smartwool Classic All-Season Merino Base Layer 1/4 Zip Men's (Black)
$71.71
Compare at 5 stores
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