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Birkenstock Birki's Kay Leather Soft Footbed Black/Red Supergrip Clogs

The ultimate and hard-wearing winter clogs from Birkenstock is right here! These are professional clogs, built with the best features like a smooth black leather upper, a soft footbed for instant comfort, complete with a supergrip outsole. The straps are adjustable so that you can tighten the upper for a perfect fit, you can even flip them towards the back of your ankles with this convertible design!

Please note that the Boston Supergrip is NOT DESIGNED for use in the kitchen or other environments containing exposure to grease, oils and chemicals.


  • Smooth Leather upper
  • Soft footbed
  • Black Red Sole
  • Supergrip outsole
  • Adjustable and convertible straps

Fitting Notes

Comfort: 5/5

Support: 4/5

Width: Narrow to Regular

Why do my Birkenstocks look so big at first?

  • These shoes are made of cork = they will mould, curve and flex to your feet over time.
  • Therefore, you need the space in front of the toes and behind the heels for your feet to still feel comfy when this happens.
  • Fitting them correctly also ensures the longevity of your shoes

When making your decision for the right Birkenstock fit:

  • We find Birkenstock true to size
  • Measure your feet using our size guide
  • Always allow between 3-5 mm space in the toe and heel area.
  • Toes should not touch the cork sides, especially when you walk
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