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Reward yourself with comfort—the Ibex Woolies Rib Bottom.

You've put in the time with your itchy synthetic long underwear. Treat yourself with the 100% merino wool Ibex Women's Woolies Rib Bottom. Flatlock seams and an elastic waistband offer comfort, and merino wool gives you the ultimate in warmth, moisture control, and quick-drying properties. The non-itchy Rib Bottom lays comfortably next-to-skin, and the gusseted crotch gives you total freedom of movement, whether you hit the slopes or explore the snowy woods.

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Ibex Woolies 150 Bottom - Women's

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Here's what others have to say...

Will these be in stock in other sizes soon?...

Will these be in stock in other sizes soon? I am a Medium and I only see that Large in available.

Responded on

Hi Leah,
I just checked our inventory and as of right now, we unfortunately don't have any more ordered to come in!

5 5

My Winter Staple

  • Familiarity: I've put it through the wringer
  • Fit: True to size

The Woolies 150 base layer is my go to piece as soon as the Fall temps hit! It's super soft and keeps me warm!

5 5


  • Gender: Female
  • Familiarity: I've put it through the wringer

I am 6 foot tall and 160 lbs I bought a LARGE. THese are super cute and long enough and hike up high on the hip or sag down sometimes but that doesn't bother me much, but it certainly may bother someone else. They are very warm, but of a light fabric. They stretch out while wearing day after day but if you wash them they shrink right back to what they were before.

S or XS? I have Ibex tops (indie, hooded...

S or XS? I have Ibex tops (indie, hooded indie) in XS, and they fit comfortably, not skintight, with plenty of room to spare. Looking at their sizing chart, it seems the XS bottoms will be too small--my waist is def. a 26, not a 24/25. However, all of my baselayer bottoms are Patagonia Capilenes in XS, and they fit fine; however, they tend to ride low, and the Woolies look like they ride high... I'm guessing I should stick with an XS, but I'm worried that the higher waist will feel binding. Also, my experience with wool is that its shape-retention isn't as great as some synthetics, they stretch out after a day or two of wear, is this the case here? I don't want to get stuck with saggy johnnies if I order a small.

Responded on

"Definitely go with the XS", says my XS Ibex friend. And, FYI they do ride a little high on the waist, which does reduce cold drafts on the back. Everything Ibex I have owned, has had great shape-retention. I always wash in cold and lay out on a drying rack. Any pure wool item will stretch out to some degree as you wear it, but overall I've had good luck with this brand.

5 5


These were so soft, and light and very warm. I thought from how thin they were that'd I wouldn't be very warm, but I was. They were a fantastic base layer. No complaints :)

4 5


I so wanted these to work for me. I've been on the hunt for the perfect pair of comfortable wool long underwear for ages! Everything was wonderful about these ones aside from the waist band. I'm 5'5, 120bls with a fairly narrow waist, but the elastic was much too tight for my liking. That being said, I'm fussy about those types of things. They are very high-waisted and sat at my true waist, just a little too tight. Otherwise the fit was great- not too tight on the legs, but fitted enough to layer easily.

3 5

Ibex Woolies bottoms

Likes: fabric, fit (I'm 5'7, 125 lb, size small perfect)I have Ibex top and love the fabric, and the bottoms are the same fabric.
Dislikes: Elastic at waist too tight to be comfortable
If it hadn't been for the waist I would rate it a 5-star.

5 5

Woolies Underwear

The wool underlayer does its job. They keep me warm and comfortable. As I moved from a warm climate area, they are a lifesaver. The only comment I have is that the legs are too long even in petite size, especially if you are a 5' petite. I even bought a pair for a friend.

Unanswered Question

How do these compare to the Ibex Long Janes...

How do these compare to the Ibex Long Janes tights? Are they not as warm?

4 5


i am size 0-2 and i got XS. perfect fitting. perfect length. they also made some room for your butt so it doesn't super stretch around that area either. it's also super light and it keeps you dry.

and yes. it feels great against your skin.

bad thing is.. it's not that warm. but i guess it's better than going out naked running.. (:

i definitely recommend it!

5 5

I'm buying more...

I haven't been disappointed by Ibex yet! These are great for cold days, perfect for keeping you dry on warmer days, & incredibly comfortable. There is no itchy feeling from the material and it feels great against your skin. I'm typically a size 6 in pants and bought a medium, but probably could have gone with a small.