Use this chart to find your size conversion.

UK Size EU US JP CM LENGTH
2.5 35 5 22 21.6
3 35.5 5.5 22.5 22.2
3.5 36 6 23 22.5
4 37 6.5 23.5 23
4.5 37.5 7 24 23.5
5 38 7.5 24.5 23.8
5.5 38.5 8 25 24.1
6 39 8.5 25.5 24.6
6.5 39.5 9 26 25.1
7 40 9.5 26.5 25.4
7.5 40.5 10 27 25.9
8 41 10.5 27.5 26.2
8.5 42 11 28 26.7
9 43 12 29 27.6

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Women's Kaci Mid Winter Boots

£99.99

  • Size Guide
Please select a size! Please select inseam!

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This casual, comfortable boot is ready for the weather, whatever it may be. Water-resistant leather adds rainy-day protection, and a layer of light insulation keeps you cosy. A breathable lining keeps air flowing.

  • KEEN.Warm insulation rated to -20°C/-4°F
  • Cleansport NXT™ for natural odour control

We've carefully selected leather uppers designed to last. Then again, if you're wearing your KEENs daily, they won't always be scuff and dirt-free. To treat day to day wear and tear, especially on lighter colour leathers, we recommend using a leather cleaner and conditioner, found at most footwear retailers and/or shoe repair shops.

Live Chat

Chat with a KEEN Expert for style advice and fit recommendations.

TAKE ON WINTER'S WORST IN TIMELESS STYLE.

  • This casual, comfortable boot is ready for the weather, whatever it may be. Water-resistant leather adds rainy-day protection, and a layer of light insulation keeps you cosy. A breathable lining keeps air flowing.
  • KEEN.Warm
    Who knew charcoal bamboo could create something that keeps your feet warm? But it makes KEEN.Warm—a lightweight insulation that provides warmth where you need it most.
  • KEEN.Warm insulation rated to -20°C/-4°F
  • Cleansport NXT™ for natural odour control
Material
  • Water-resistant, oiled nubuk and premium, full-grain leather upper
  • Non-marking rubber outsole leaves no trace
  • Compression molded EVA midsole
  • Breathable mesh lining
  • Removable, metatomical PU insoles with arch support
Weight
12.3 oz / 348.7 g
Care

We've carefully selected leather uppers designed to last. Then again, if you're wearing your KEENs daily, they won't always be scuff and dirt-free. To treat day to day wear and tear, especially on lighter colour leathers, we recommend using a leather cleaner and conditioner, found at most footwear retailers and/or shoe repair shops.

  •