Why the size label matters
The size 8 in this listing is a women’s size. Use the selected offer’s measurement chart when comparing it with a men’s shoe or another brand; the same printed number does not establish the same fit.
Slip-on fit without excess length
Compare this black 8 with the linked 9 only when length is the issue. If the opening is awkward but the length feels right, changing the upper shape may be more useful. The slip-on should remain easy enough to use without leaving the heel loose.