Here is how to pick the correct size.
General suggestion.
For men:
If a man wear size 6 shoes, Suggest size 10 (42) sandal.
If a man wear size 7 shoes, Suggest size 11 (43) sandal.
If a man wear size 8 shoes, Suggest size 12 (44)sandal.
If a man wear size 9 and Up shoes, our sandal would be too small and not fit.
Material: Made of Soft Rubber that is very comfortable.
These sandals are imported from China.