Black Diamond

Coefficient Jacket - Women's

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Runs Small
Runs Slightly Small
True to Size
Runs Slightly Large
Runs Large

Technical Polartec Jacket.

The women’s CoEfficient Jacket is a lightweight do-anything mid layer and fleece outer sweater, built for missions that range from ski tours to autumn alpine ascents. It’s made from durable Polartec Power Dry High Efficiency fleece, which features primarily bluesign approved fabric. Black Diamond gridded the jacket’s interior to enhance its sweat wicking performance and improve breathability. The full-length zipper allows for fast temperature regulation when on the move, and lightweight stretch cuffs with integrated thumbloops allow for easy layering.

  • Polartec Power Dry Fleece
  • Zippered front opening
  • Lightweight stretch cuffs
  • Integrated thumb loop
  • Zippered chest pocket
  • Slim fit



  • [body] Polartec® Power Dry® Fleece - 180 gsm, 51% polyester, 36% nylon, 13% elastane
  • bluesign approved primary fabric


  • Slim


  • Hip


  • 240g


  • [exterior] 1 zip chest pocket

Recommended Use

  • Springtime Backcountry Mid Layer, Alpine All-Season Adventures, Activity Layer

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