It would also have to have the old kangaroo leather lining. May hold water and increase the weight but you couldn't beat the fit when skating barefoot. Only had to be sure that you dried them out for like the leather innersole they would rot eventually if they weren't dried properly. Adding: For steel would use the black steel with the triangular cutouts that came on the old Vapor X it was hard to sharpen but held an edge and lasted forever.