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 $120 77 Black Diamond Solution 150 Merino Half Zip HoodyMost Versatile Base Layer $145 77 Smartwool Classic All-Season Merino 1/4 Zip $95 75 REI Co-op Midweight Half-ZipBest Synthetic Bang for Your Buck $60 75 Smartwool Intraknit Thermal MerinoBest Midweight Layer $130 75 Patagonia Capilene Midweight Crew $79 75 Icebreaker Merino 200 Oasis Half Zip $115 74 Under Armour ColdGear Base 4.0 Crew $100 74 Arc'teryx Rho LT Crew $110 73 Meriwool Merino 250 Long SleeveBest Value for Merino $60 73 REI Co-op Merino 185 Long-Sleeve Half-Zip $90 72 Patagonia Capilene Cool Lightweight L/S $59 71 Ridge Merino Aspect Midweight Merino Balaclava Hood $90 71 Outdoor Research Alpine Onset Merino 150 Crew $99 70 Helly Hansen Lifa Stripe Crew $45 68 Ortovox 185 Rock'N'Wool Long-Sleeve $110 67 Outdoor Research Echo Long Sleeve $52 66 REI Co-op Lightweight Long-Sleeve Crew $40 62 Thermajohn Long Sleeve Thermal Compression $25