If you’ve got a higher arch, try the #400. It’s made with a Chelsea cut upper, which is specifically designed to suit wider feet. PU midsole/ TPU outsole highly resistant to hydrolysis and microbial attack. Full length removable PU footbed – anti-bacterial, breathable, washable. XRD®Technology in the heel strike zone for increased shock protection. Electrical shock hazard resistant. Available in the following sizes: 560070 size 4, 560074 size 5, 560078 size 6, 560082 size 7, 560086 size 8, 560090 size 9, 560094 size 10, 560098 size 11, 560100 size 12, 560102 size 13.