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Size Guide
Dirty Martini

With a supportive contoured footbed, these sandals make every outfit that much cooler, from breezy summer dresses to drapey linen pants. This is the sandal that you will wear everyday from the weekday to the weekend.

Oka-B Shoes size chart


  • Shape designed for a wide range of fit
  • Slide style with buckled back strap
  • Arch support and heel cup for stability and support
  • Patented Microplast material for durability and comfort

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Oka-B Size & Fit Guide

If you are in-between sizes we recommend ordering the next size up.

Letter Sizing

Small (S) 5.5-6.5
Medium (M) 7-8
Medium-Large (ML) 8.5-9.5
Large (L) 10-11
Large-Large (LL) 11.5-12.5

Number Sizing

Oka-B Size U.S. E.U.
6 36
7 37
8 38
9 39
10 40
11 41