Part of the 550 series, Blundstone takes the tried and tested structure of the 500 Series and includes a premium leather liner for added comfort. The 558's are easy to slip off and on using the re-inforced pull-tabs and come with a shaped comfort footbed that is fully removable. Dual-density, injection-molded polyurethane outsole and EVA footbeds team with Poron XRD inserts at the heel, helping to absorb shock and promotes all day comfort.