Type B: Are we prepared in a special foam block combination. So the foam blocks the landing area are provided with hollow chambers, which the mat is very soft effect even at high jump heights. The hollow blocks are covered with a 10 cm thick foam pad. This, also called Schleiß- or Spike mat main blocks protects against the spike nails and can be inexpensively replaced after prolonged use. mitZwischenboden Schleißmatte separated in the chamber, thereby better rain protection. The coating is made of PVC tarpaulin material with tear-proof Trevira fabric insert. As a cover PVCummanteltes mesh fabric is used, which is absolutely spike resistant - the best material on the market, because the tissue thread can dodge the Eindrigen the spikes and thus will not be pierced. Lid, in stulpdeckelartiger shape over the entire pole vault hills, including the underneath 10 cm thick mat Spike