Sole Pattern – Sand Shark Lug | Upper – Mountain Brown Water Resisting Nubuck Leather | Outsole – High Abrasion, Slip, Oil and Acid Resistant, Non Marking Rubber | Midsole – Shock Absorbing Lower Density Polyurethane | Removable Innersole – Dual Density Polyurethane with TPU support cradle | High Breathable Linings | Elastic Gore Openings