Leather Upper. PK Wicking Mesh Lining. Cement Construction. C.S.A. Grade 1 Approved, E.S.R. Rated, Composite Toe and Layered Fabric Plate. Removable Wolverine® Airflow ll, Dual Density EVA Corka Mix Green Fit insole. Oil and Slip Resistant Wolverine® BA-27 Rubber Outsole with EVA inserts.