Smartwool Mid 250 Zip Shirt - Women's

Special Price $69.99 Regular Price $100.00
In stock

The dawn chorus, at least the birds that haven’t migrated south, began to sing an hour ago. The sun’s barely climbed above the horizon. There’s frost on everything. It’s dawn in the White Mountains in the late autumn, and at the base of the four-thousand footer that you plan to summit there’s nothing more dependable than the Women’s Merino 250 Base Layer 1/4 Zip from Smartwool. The Mid 250 fabric is Smartwool’s warmest baselayer, and the merino wool retains warmth well without sacrificing breathability. Flatlock seams and shoulder panels eliminate chafing. The slim fit also carefully hugs your body to trap warmth, and the 1/4 length zipper opens and shuts for efficient thermoregulation as you need it.


  • Mid 250 fabric is Smartwool’s warmest baselayer, and it works as a single layer in cool weather
  • Interlock knit
  • 8” center front zip
  • Back body seam wraps to front for body enhancing fit
  • Shoulder panels eliminate top shoulder seams
  • Flatlock seam construction is designed to eliminate chafing
  • Slim fit


  • Fabric: 100% merino wool
  • Care instructions: machine wash warm, tumble dry low

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