HOT ! KEEN WOMEN\'S CIRCADIA MID POLARTEC

Whatever winter hiking looks like for you, warmth, comfort, protection, and traction are non-negotiable “must-haves.” So we built an insulated, waterproof, grippy hiker that checks all the boxes. All hike. No compromises.

 • Warm and Dry: 200g of KEEN.WARM insulation rated to -25°F and a KEEN.DRY waterproof, breathable membrane keep your feet toasty and dry.

• Better Leather: Environmentally preferred leather upper is lighter on the planet.

• Lightweight Cushioning: KEEN LuftCore technology embeds a lightweight foam core inside the midsole to absorb shock for comfort that lasts all day.

Features

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  LuftCore technology embeds a lightweight, air-injected core into higher-density foam for enhanced midsole cushioning
  


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  5mm multi-directional lugs for traction
  


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  200g of KEEN.WARM insulation rated to -25°F/-32°C
  


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  Notch in back for Achilles comfort
  


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  Speed-lace webbing system with top collar hooks for comfortably snug fit
  


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  Heel-capture system for added stability
  


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  KEEN.DRY waterproof, breathable membrane
  


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  Eco Anti-Odor for natural odor control
  


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  Environmentally preferred premium leather from LWG-certified tannery
  


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  Infused with non-toxic vanilla fragrance during high-temp KEEN.FUSION bonding process
  

Material

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  Waterproof leather and performance mesh upper
  


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  Higher-traction KEEN.FUSION rubber outsole
  


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  Quick-dry lining for active use
  


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  Thermal Heat Shield insole captures warmth
  

Technologies

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  KEEN.DRY
  
  A proprietary waterproof, breathable membrane that lets vapor out without letting water in.
  
  


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  KEEN.WARM
  
  Our signature insulation is extremely compressible and light for the foot warmth it provides, and it retains its insulating ability, even when damp.