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You won't need to worry about Jack Frost forcing you to retreat to the lodge when you have the Columbia Women's Baselayer Heavyweight II Top on your side. Its Omni-Heat fabric reflects and retains body heat for ultra-efficient warmth, and Omni-Wick Stretch side panels move with you and manage moisture to help you stay dry and warm. Flatlock seams offer durability and a soft, smooth feel, and an antimicrobial treatment keeps odor at bay.

  • Omni-Heat thermal reflective fabric
  • Omni-Wick Stretch Jersey fabric
  • Antimicrobial treatment
  • Slim fit
  • Ergonomic flatlock seams
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Best Baselayer top I've ever had

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

I've had this top for over a year & I literally wear it every day I spend on the slope (which is at least 90 per season). And then I wear it at night on camp trips in the summer. It can get kinda warm when you're hiking but I've never had much trouble. Just take off my jacket & hike in only this, good to go. This is essential to my gear collection. I'm ordering a different color to add some variety