Use this chart to find your size conversion.

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 EVOFIT One

$130.00 $89.99

  • Fit Tip: This style is running a 1/2 size small. We suggest ordering a 1/2 size larger than your usual size!
    Size Guide
Out of stock
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A giant leap forward in comfort and flexibility, the award-winning EVOFIT One sandal offers performance benefits far beyond the adaptive upper. This versatile creature is equipped for virtually any activity outside, with a sock-like fit that feels like a second skin.

  • Minimal waste construction
  • TPU reinforcement for added durability in key zones
  • Evolved performance lace-capture system
  • Multi-directional lugs with razor siping
  • PFC-free durable water repellent
  • Cleansport NXT™ for natural odor control
  • American Built: Assembled with pride in Portland, OR, using the finest materials from around the world

All KEEN water sandals are machine washable. Use a small amount of detergent, wash on gentle cycle and air dry.

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

CONSCIOUSLY CREATED

Every product has an impact. And we’re on a long,
long journey to lighten it.

  • ECO
    ANTI-ODOR

ECO ANTI-ODOR

We’ve turned to nature to eliminate pesticides and biocides from going into the environment. Our footbeds are infused with probiotic technology that naturally breaks down odor in sweat without heavy metals or hazardous chemicals.

A natural fit for your natural world.

  • A giant leap forward in comfort and flexibility, the award-winning EVOFIT One sandal offers performance benefits far beyond the adaptive upper. This versatile creature is equipped for virtually any activity outside, with a sock-like fit that feels like a second skin.
  • American Built
    Assembled with pride in Portland, Oregon, using the finest materials from around the world.
  • Metatomical Footbed Design
    This internal support mechanism is anatomically engineered to provide excellent arch support and cradle the natural contours of the foot.
  • Minimal waste construction
  • TPU reinforcement for added durability in key zones
  • Evolved performance lace-capture system
  • Multi-directional lugs with razor siping
  • PFC-free durable water repellent
  • Cleansport NXT™ for natural odor control
  • American Built: Assembled with pride in Portland, OR, using the finest materials from around the world
Material
  • Quick-dry KEEN EVOFIT engineered synthetic upper
  • Aquagrip rubber outsole maximizes traction
  • PU midsole for comfort
  • Removable, metatomical PU footbed with arch support
Care

All KEEN water sandals are machine washable. Use a small amount of detergent, wash on gentle cycle and air dry.

Fan Reviews

Men's EVOFIT One

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