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 RIALTO OPEN TOE

C$170.00

10% supports Australia bushfire relief thru Jan. 21. Learn More.

  • Size Guide
Please choose a size! Please choose an inseam!
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Comfortable and ultra-versatile, this sandal was designed for adventures that start before sunrise and keep going after dark. American built with the finest materials from around the world.

  • Cleansport NXT™ for natural odor control
  • American Built with materials from around the globe
  • Metatarsal ridge for natural underfoot support
  • Microfiber footbed cover
  • Secure fit lace capture system

Gently brush the shoe with a soft bristle brush or hand towel to remove loose dirt and debris. Stains can be treated by lightly rubbing a gum eraser in a circular motion over the location and lightly brushing afterwards. Tough stains can be treated with a mixture of water and a little vinegar on a damp cloth. This process may cause slight discoloration to the area.

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

Born on the water, tested on the trail.

  • Comfortable and ultra-versatile, this sandal was designed for adventures that start before sunrise and keep going after dark. American built with the finest materials from around the world.
  • American Built
    Assembled with pride in Portland, Oregon, using the finest materials from around the world.
  • Cleansport NXT™ for natural odor control
  • American Built with materials from around the globe
  • Metatarsal ridge for natural underfoot support
  • Microfiber footbed cover
  • Secure fit lace capture system
Material
  • Water-resistant leather upper
  • High traction, non-marking rubber outsole
  • Direct attach PU midsole
  • Hydrophobic mesh lining
  • Removable, molded PU foam footbed
Weight
14.1 oz / 398.9 g
Care

Gently brush the shoe with a soft bristle brush or hand towel to remove loose dirt and debris. Stains can be treated by lightly rubbing a gum eraser in a circular motion over the location and lightly brushing afterwards. Tough stains can be treated with a mixture of water and a little vinegar on a damp cloth. This process may cause slight discoloration to the area.

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