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Smartwool Women's Classic Thermal Merino Baselayer Crew

Smartwool Women's Classic Thermal Merino Baselayer Crew

From $79.99
Up to 27% off
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  • Returnable
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Product details

Description Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction helps prevent chafing and increases your comfort level. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.


  • Slim Fit
  • 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
  • Fit updated to improve functionality while enhancing aesthetics for a range of body shapes
  • Back body seam wraps to front for body-enhancing fit
  • Crew neck with raglan sleeves
  • Flatlock seam construction designed to minimize chafing
  • Knit in China: 100% Merino Wool
  • Garment Weight: 218 g = 7.69 oz


  • Machine Wash Warm Gentle Cycle.
  • Do Not Iron Decorations.
  • Do Not Bleach
  • Tumble Dry Low
  • Cool Iron As Needed
  • Do Not Dry Clean
  • Wash With Like Colors
Age Group
Breathable, Odor resistant
Merino wool, Wool
100% Merino Wool
Best use
Merino wool weight
Midweight (200-300g)
Semi-fitted / Slim
Slim fit
218 g
Expert Reviews
Read reviews from experts who know these products best
Jenny Ackers
Snowboard Expert
47 customers helped
Jenny Ackers tested this product

This base layer is an essential part of anyone's outdoor layering system. In the fall, I wear it around town under a flannel or a down vest. When I'm on the mountain riding, I wear it under my puffy or fleece. Because it's made from wool, it doesn't get as stinky as the synthetic baselayers I have, and it's sooooo comfortable. I sometimes wear it to bed! It does a fantastic job with regulating my temperature, and when paired with my other layers, I am warm even on the coldest of Colorado days. Wool can have a reputation of being hard to care for, but I wash on cool and dry on low along with my regular clothes, and I haven't experienced any pilling or shrinkage. I loooooooove this baselayer!

  • Comfortable mid-weight baselayer
  • Fits snugly without feeling tight and maintains shape throught the day
  • Low odor absorbtion
  • Can get a little staticy
Size M Smartwool 250 Baselayer
Taking a selfie with the Smartwool Midweight Baselayer under a flannel and with leggings. Getting my board waxed before heading up to the mountain :)
Little to no pilling under the arms after a month of heavy use
Smartwool Women's Classic Thermal Merino Baselayer Crew
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