New Balance stopped production of its best selling men's 581 basketball shoe -- the only high-top baskeball shoe available in 4E extra-wide widths.

The most shoe widths and last types equal what New Balance calls total fit™. Here are the charts that explain what it all means.

What Is An SL-2 Last?

Larry G's favorite shoes of 2016

Fit Matters.

Street Sneaker Captures the NB Classic 574