+ Very comfortable
+ Good maintenance
+ Smooth ride
+ Very quiet while running
+/- Value just arguable
- Instead of cork is placed here on a plastic-Immitation, leading to sweaty feet and quickly anangenehmen odors
Conclusion: For me this is definitely the approach a very good slipper, but by the inferior (cheap) material selection, unfortunately, a gross shortage and so far away from a buy recommendation. Birkenstock one is accustomed better.
Pity!