I'm going to buy some Rainbow sandals, but have only tried on the single stack. I think I like the look of double stack more, but I haven't been able to try them on. Comfort is my biggest consideration here. The arch can't be too high, but I want some support in my sandals. Please help me decide!
I've always worn the double. I have never owned the single stack, so I can't compare comfort-wise, but Rainbows are the only shoes I could wear to my retail job that didn't leave me with foot and back pain at the end of a 9 hour day (including dansko, merrell, and other comfort brands).
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Know first, who you are; and then adorn yourself accordingly.
-Epictetus
I have the double stack with narrow straps and leather uppers. I don't like them very much bc it seems that if I walk around in them for a few hours I get blisters on the balls of my feet. I don't get that with my reefs, but it could be just bc of the leather. I hope that you have better luck than me.