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Smartwool Intraknit Thermal Merino Base Layer Thermal Merino Base Layer Pants: Merino wool insulation

Thermal Merino Base Layer Pants — Base Layers, Smartwool
Available Options
Size M
Size M
Joom
$186.61
Available to order
Think of these as the Swiss Army knife of winter underwear—only softer and far less likely to poke you. These thermal merino base layer pants are built for one job: keeping you toasty without the bulk. Crafted from high-quality merino wool, they deliver serious insulation while staying featherlight and breathable. That makes them a no-brainer for anything from a brutal ski descent to a lazy Sunday on the couch. The secret sauce? Intraknit construction. It’s seamless, so it moves with you like a second skin—say goodbye to chafing and hello to unrestricted motion. Plus, they wick moisture like a pro, pulling sweat away to keep you dry, and their natural odor resistance means you can wear them for days (we won’t judge) without a wash. Layer them under ski gear for max performance or rock them solo as premium loungewear. Just pair with other layers to fine-tune your comfort, whether you’re facing a blizzard or just a chilly living room.
  • Moisture-wicking fabric
  • Breathable Intraknit design
  • Odor-resistant material
  • Comfortable fit
  • Merino wool insulation

General specs

  • Brand: Smartwool
  • Model: Intraknit Thermal Merino Base Layer
  • Seller: Joom
  • Material: Merino wool
  • Size: M
  • Intended Use: Cold weather activities, Layering
  • Features: Insulating, Breathable, Moisture-wicking, Odor-resistant
  • First listed by seller: 8/24/25

If you are interested in more details, you can find full information on the seller's page.

$186.61
Last price update: 8/29/25
Available to order

Shipping options

Delivery to Russia
Available

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Brand Smartwool Smartwool CosyHome Under Armour Premium jacket Geener
Model Intraknit Thermal Merino Base Layer Merino M SmartForm
Color
Rating
(2)
(2)
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Price $186.61 $110.88 $31.74 $30.20 $82.78 $44.98
Seller Joom Joom Joom Joom Joom Joom
Update August 26, 2025 August 20, 2025 August 29, 2025 August 27, 2025 August 26, 2025 August 18, 2025
Material Merino wool Merino wool Breathable fabric Cotton
Intended Use Cold weather activities, Layering Outdoor sports, Daily wear Outdoor, Winter
Thermal Merino Base Layer Pants — Base Layers, Smartwool

Thermal Merino Base Layer Pants

$186.61

Reviews

4
(2 reviews)
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Julia Robinson
Julia R. US Boston, MA
September 1, 2025
Decision:

As someone who's always researching gear for fitness and health, I bought these hoping for a versatile base layer. At first, I was cautious—would they really live up to the hype? After using them for a couple of weeks, I can say they're quite effective. They kept me toasty during cold runs in Boston, and I wore them under my ski pants without any bulk. The seamless design meant no chafing, which is a big plus. But, I have to admit, I was a bit disappointed with the initial fit; it felt snug, but it grew on me over time. For lounging around with my kid, they're cozy, but not perfect for every situation. Overall, from what I feel, they're good, but not flawless. Would I recommend them? Yes, if you're looking for something reliable for cold weather, but be ready for the cost and some adjustment period. 😊

  • Pros: They kept me quite warm without feeling heavy or bulky, which was a pleasant surprise. I liked how they moved with me, almost like they were part of my skin, and they handled sweat well, keeping me dry during activities. The material is soft and didn't cause any irritation, and from what I feel, they resist odors naturally, so I didn't have to wash them after every use.
  • Cons: They're a bit pricey for what they are, and I was disappointed that they didn't come in more colors or sizes to choose from. Also, while they're breathable, I found them a touch too warm for milder days, and it took some time for them to grow on me in terms of comfort.
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