Features-Hydro-repellent-upper-leather-with-comfortable-external-bootleg-opening-vented-inserts-in-nylon-Ergonomic-thermoformed-inserts-on-the-ankle-zone-shifter-in-rubber-material-Breathable-&-anti-allergic-vented-lining-Removable-&-anti-bacterial-foot-bed-Anti-slip-rubber-sole