We have some lasts different , each having adjustment different , depends the form of a foot you .

Some lasts we got a little more width of standard sizes and else would be according true to size .

SC Last / ALD Last / Military Last / BLT Last / HAL Last / MLD Last (a little bit have more room than SC Last)
SC last had a true size with normal widths (D Size)

NH Last 
NH Last had a true size with “wide” widths (E Size)

For make sure, you can measure your feet on CM or you can consultation with our Customer Service.