Compare Base Layers for Men Compare Products Compare select up to 5 products to compare Score Product Price 80 Smartwool Classic Thermal Merino 1/4 ZipBest Overall Base Layer $130 77 REI Co-op Midweight Half-ZipBest Value for the Long-Haul $70 77 Ibex Woolies Pro Tech CrewBest Lightweight Layer for Fast-Paced Days $120 77 Smartwool Classic All-Season Merino 1/4 Zip $105 77 Stio Basis PeakWool Midweight Half Zip $159 76 Smartwool Intraknit Thermal MerinoMore Durable Midweight Layer $150 75 Patagonia Capilene Midweight Crew $95 75 Icebreaker Merino 200 Oasis Half Zip $130 74 Under Armour ColdGear Base 4.0 Crew $100 74 Arc'teryx Rho LT Crew $100 73 Meriwool Merino 250 Long Sleeve $65 73 REI Co-op Merino 185 Long-Sleeve Half-Zip $90 72 Carhartt Base Force Midweight Crew $39 71 Outdoor Research Alpine Onset Merino 150 Crew $99 70 Helly Hansen Lifa Stripe Crew $50 70 Mountain Hardwear Airmesh $110 68 Burgeon Alpha Direct 90 Hoodie $110 68 Ortovox 185 Rock'N'Wool Long-Sleeve $130 67 Merino.tech CrewBest Value Merino Top $50 62 Thermajohn Long Sleeve Thermal Compression $25