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SmartWool Midweight Long Underwear Bottoms - Wool - Men's

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  • The SmartWool Midweight Wool Long Underwear Bottoms are made of 100% super-fine merino wool to help maintain your comfort whether the climate is warm, cold or in-between
  • Bottoms feature a covered elastic waistband to prevent chafing and a traditional fly design
  • Flatlock side-seam construction prevents chafing
  • SmartWool® is guaranteed not to itch and can be repeatedly washed and dried without shrinking
  • Easy care: machine wash and dry on cool temperature setting


Item 723971


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SmartWool Midweight Long Underwear Bottoms - Wool - Men's Specs
Best use
Wool / wool blend
Merino wool
Fabric type
Sun-protective fabric
Moisture wicking
Quick drying
Underwear weight

SmartWool Midweight Long Underwear Bottoms - Wool - Men's

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Rated 4.6667/5 based on 15 reviews
Rated 1out of5
by fromNot worth it Am not going to wear at all. They are so thin, there is NO way they can insulate. I have cheap printer paper that is thicker. You can almost see thru these. DEFINATELY NOT WORTH THE FORTUNE THEY ASK FOR. Mine currently reside in my trash until trash day.
Date published: 2011-11-21
Rated 4out of5
by fromExcellent warmth, breathability and wick I used the midweight long underwear on my recent big game hunting trip in the Colorado mountains. I had used synthetic long underwear in the past, which worked well but tended to stay damp after periods of high exertion. The Smartwool long underwear wicked very, very well. I never felt any dampness at all despite hiking uphill at 10,000 feet through knee-deep snow. They kept me warm and comfortable through a variety of temperatures and activity levels - never too warm either. On the downside, I did notice that they were slightly itchy at times.
Date published: 2011-11-08
Rated 5out of5
by fromWarm Used as pajamas during backpacking trip. When stepping out into 31 deg weather in the middle of the night I was very happy that I bought them.
Date published: 2007-09-17
Rated 5out of5
by fromsmart WOW! I've got the top as well... You can wear it for days and days and still no smell. Impressive ability to keep your bad smell off. Nice and warm. Worth every dollar. Became my second skin!
Date published: 2008-01-09
Rated 5out of5
by fromCool when warm, warm when cold For the obvious use of a base layer in the winter these perform perfectly. They stay close to skin (will fit under all but the most hipster of pants) and are stretchy enough so as not to be restrictive. They are even a bit long--at 6'1" the XL had a bit extra leg to them, which I guess could bunch wrong if you don't make sure they're laying flat at the ankles, but I see it as added insurance that everything is covered. I actually wore them under shorts in July when the mosquitoes got out of control while backpack camping. It looked goofy but the merino wool breathed so well I wasn't sweating at all even mid-day. Then comes cool night and you're set by the campfire, and finally they make a great layer especially if you don't dig the slippery inside of your sleeping bag.
Date published: 2008-10-24
Rated 5out of5
by fromVery comfortable I slept in these the first night that I received them from the store. I was very impressed. They are lightweight, comfortable, and breathable. I hate sleeping with anything on my legs but these were so comfortable I didn't even notice. They were warm and never rode up on my legs or anything. I'm looking forward to my next backpacking trip with these. I know they will perform very well. A bit on the pricey side but well worth it.
Date published: 2009-02-25
Rated 5out of5
by fromIncredible I live in Minneapolis and ride my bike to work year round. This is the first thing that goes on (infact they rarely came off last winter) in the morning. They keep your lower half warm and comfortable. I wore these, work khakis and snow pants as my 3-layer system for my legs. As is commonly said the Merino wool controls odor very well. I washed maybe twice/week or less. Also use them for winter camping. Absolutely love these pants. I noted that they run big, because they actually run long. They run into my boots and down to my heels. Or I just cuff them up a bit. Not a big issue, just be cognizant.
Date published: 2009-08-11
Rated 5out of5
by fromworth the expense These were expensive, so I was hesitant... but am very glad I bought them I do a lot of maintenance and mechanical work outside in Chicago winters, and these have been great. Very comfortable, very soft, I have never felt cozier working outside in seriously negative windchills (of course paired with other good gear). I haven't had them very long, so I can't comment on durability, but if you are dealing with being very cold I would invest in these. Perfect for wearing all day long. I wore these with a pair of work jeans on top and was cozy in below freezing weather (good socks had something to do with it too) I felt better than when I used to wear cheap long underwear AND a pair of pajama pants under the same jeans.
Date published: 2010-02-12

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