Isotherm 1/2 Zip

Isotherm 1/2 Zip



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A zip-up, pullover layer that offers lightweight insulation under a shell, the Isotherm ½ zip is constructed with 20-denier Pertex® Quantum® fabric—a strong, featherweight, down-proof fabric—and insulated with Polartec® Alpha® active insulation. Single, zippered chest pocket.


  • 20 Denier Pertex Quantum® Fabric
  • Polartec® Alpha® Insulation
  • Zip Chest Pocket
  • AirExchange Lining
  • Zonal Mesh Lining
  • Partial Elastic Bound Cuffs
  • Elastic Drawcord Hem
  • Angel-Wing Movement™

Product Details

  • Fit
    Regular Fit
  • Main materials
    Pertex Quantum® 100% Nylon Mini Shadow Ripstop 1.0 oz/yd
  • Center back length
  • Weight
    0lbs 8.8oz (249.5g)
  • Style number