Use this chart to find your conversion, or switch tabs above
to our fit guide to find your recommended fit.

US Size
UK
EU
JP
CM LENGTH
7
6
39.5
25
24.4
7.5
6.5
40
25.5
24.8
8
7
40.5
26
25.4
8.5
7.5
41
26.5
25.7
9
8
42
27
26
9.5
8.5
42.5
27.5
26.7
10
9
43
28
27
10.5
9.5
44
28.5
27.3
11
10
44.5
29
27.9
11.5
10.5
45
29.5
28.3
12
11
46
30
28.6
13
12
47
31
29.4
14
13
47.5
32
30.2
15
14
48
33
31
16
15
48.5
34
31.8
17
16
49
35
32.6
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Men's GYPSUM POLAR Waterproof Boot

$170.00

  • Style #1017707
  • Fit Guide
Please choose a size!

Heavy-duty insulation and our signature waterproofing protection make these boots a must for winter weather. A heat-reflecting footbed adds warmth, and the outsole is designed to grip snow and ice.

  • 400 grams KEEN.Warm™ insulation
  • KEEN.Dry® waterproof breathable membrane
  • 4mm multi-directional lugs for traction
  • Resilient, internal nylon shank
  • ESS shank offers lightweight support

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 color leathers, we recommend using a leather cleaner and conditioner, found at most footwear dealers and/or shoe repair shops.

Live Chat

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

A boot built to conquer harsh weather.

  • Heavy-duty insulation and our signature waterproofing protection make these boots a must for winter weather. A heat-reflecting footbed adds warmth, and the outsole is designed to grip snow and ice.
  • KEEN.Dry
    A proprietary waterproof, breathable membrane that lets vapor out without letting water in.
  • 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.
  • Thermal Heat Shield Footbed
    On the outside, wooly softness; in the middle, support cushioning; and inside, a thermal foil barrier to harness radiant heat. Keeps the cold out and the heat in.
  • 400 grams KEEN.Warm™ insulation
  • KEEN.Dry® waterproof breathable membrane
  • 4mm multi-directional lugs for traction
  • Resilient, internal nylon shank
  • ESS shank offers lightweight support
Material
  • Waterproof leather upper repels H2O and debris
  • Rubber outsole designed for grip on snow and ice
  • Dual-density, compression-molded EVA midsole
  • Breathable mesh lining
  • Thermal heat-shield footbed captures warmth
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 color leathers, we recommend using a leather cleaner and conditioner, found at most footwear dealers and/or shoe repair shops.

  •  

Wilderness is not a luxury
but necessity of the human spirit.

– Edward Abbey

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