You'll be able to take on any tough workout routine in this cross-trainerSynthetic mesh upperTie closurePL-1 shoe last for an improved arch and better anatomical fitREVlite midsoleQUIX technology for optimal tractionPROBANK technology distributes shocks8mm dropNdurance® Rubber solesynthetic. Rubber sole. Fit: True to Size. Outsole: Rubber. Upper: Mesh. Features of this item include: Running.