I bought these to do barre exercises at home, and I find myself wearing these around regardless.  I normally wear a 9M to 9-1/2M womens shoe and purchased the 8.5D and they fit just fine.  They're not too tight, just right.  I like the split sole construction and canvas fabric also.  I've worn these ALOT and they are very durable and will stand the test of time.  I'm buying a second pair as a backup just because I know these will last forever and by the time they wear out, my luck they won't be around anymore.  Thank you and good job!