Compare Long Underwear for Men Compare Products Compare select up to 5 products to compare Score Product Price 77 Smartwool Classic Thermal Merino BottomBest Overall Long Underwear for Men $115 74 Artilect Boulder 125Best Lightweight Long Underwear $120 73 REI Co-op Midweight BottomsBest Synthetic Bang for the Buck $55 72 Smartwool Intraknit Thermal Merino 3/4 BottomOur Favorite 3/4 Length $115 71 Patagonia Capilene Midweight Bottoms $79 70 Ortovox 185 Rock'N'Wool Short Pant $100 69 Outdoor Research Alpine Onset Bottoms $89 68 Icebreaker Merino 200 Oasis Bottoms $105 67 Meriwool Merino 250 BottomMerino Wool on a Budget $60 63 Smartwool Classic All-Season Merino Bottom $90 60 REI Co-op Lightweight Bottoms $40
