Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: My Favorite summer go-to-shoe!

I know these shoes are made of non-leather materials and usually would not even have tried them because of that. But, once on, they are the most moldable, soft, well fitting and supportive sandals I have. I have a complaint about the black rubber sole and stacked heel - the rubber is too soft and the back of the heel mars very easily. Another complaint is that they are so hard to find! I have several pairs and will keep looking...