Premium Stretch Canvas.
We suggest opting for two sizes larger than your regular fit. If you want more support, sticking to your usual size or going one size up would be ideal. 
Available in three widths : N (Narrow) – M (Medium) – W (Wide).
Handmade and machinestitched
Split-sole
Stretch canvas
Pre-sewn elastic
No drawstring binding, which provides unsurpassed comfort and flexibility.