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Classic Thermal Merino Base Layer Pattern Bottom - Women's

3.3333333333333335 out of 5 stars
3 Reviews

Out of Stock

Don't worry though, we have a lot more Women's Baselayer Bottoms in stock than that.

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Why We Like The Classic Thermal Merino Base Layer Pattern Bottom

Slotted as a purely merino baselayer option from Smartwool, the Classic Thermal Base Layer Bottom offers excellent thermal regulating properties to keep us spinning laps on our favorite chair. Merino wool is truly the leading insulating material because it manages to retain warmth even when it’s damp and breathe with us as we work up a sweat—all while being naturally odor-resistant.


  • Baselayer bottoms for anything from ski touring to freeride laps
  • Full merino wool construction helps us manage our microclimate
  • Form-fitting design eliminates excess material for enhanced mobility
  • Mid-rise provides a secure fit and feel for dynamic movement
  • Flatlock seams enhance comfort and bolster durability
  • Item #SWLZ8RE
100% merino wool
Insulation Weight
natural attribute of merino wool
skiing, snowboarding
Manufacturer Warranty
2 years

Overall Rating

3.5 based on 3 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 1 reviews
5 Stars - 1 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

July 3, 2024

Great long underwear

I've put it through the wringer
Size Bought:

I've been wearing Smartwools Classic Merino base layer bottoms for year.. Warm, perfect weight and great fit. Highly recommend....

1 out of 5 stars

November 11, 2023

Holes as soon as it arrived

I returned this product before using it
Size Bought:
5' 5"

I had bought these to snowshoe in this winter and was excited for the design. I ordered and XL and they were a little big but they didn't have any lages left so I was going to live with it. Except the moment I stepped outside I felt a breeze on my inner thigh. I examined the area and there were multiple holes in the seam. I went to return the product and they were trying to charge for shipping for a product that has a history of being defective and arrived defective. I called to get more details and the person I spoke too said they didn't have any left to even try and exchange and the only money I could get was in store credit. Not pleased. The only I'll be ordering from this store again is to use my online credit.

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Hannah undefined
4 out of 5 stars

May 18, 2023

Good quality. Snug fit.

I returned this product before using it
Size Bought:
5' 39"

The material feels comfy and sturdy. Love the color/pattern! Not see thru at all even though it is a very light color for leggings. Nice wide waistband to help avoid rolling and cutting into your side. I wanted to love these, but ended up returning because of the fit. They were very snug in the waist and around the thighs. The seams on my thighs looked distorted due to how tight they were. I am a very solid size medium (US size 8-10 in most pants and dresses). I would have tried exchanging for a size up but I am short and the medium was already a bit long. I assume the large would be longer.

Meagan A