▁a ▁thick ▁rub ber ▁circular ▁mat ▁that ▁is ▁shock - abs or bing ▁to ▁ensure ▁safety . ▁For ▁the ▁Olympic ▁Games , ▁all ▁World ▁Championships , ▁and ▁World ▁Cu ps , ▁the ▁mat ▁has ▁to ▁be ▁new . ▁The ▁main ▁wrest ling ▁area ▁has ▁a ▁nine - meter ▁diameter ▁and ▁is ▁surrounded ▁by ▁a ▁ 1 . 5 ▁meter ▁border ▁of ▁the ▁same ▁thick ness ▁known ▁as ▁the ▁" prote ction ▁area ". ▁Inside ▁the ▁nine ▁meter ▁in ▁diameter ▁circle ▁is ▁a ▁red ▁band ▁of ▁one ▁meter ▁in ▁width ▁that ▁is ▁on ▁the ▁outer ▁edge ▁of ▁the ▁circle ▁and ▁is ▁known ▁as ▁the ▁" red ▁zone ". ▁The ▁red ▁zone ▁is ▁used ▁to ▁help ▁indicate ▁pass ivity ▁on ▁the ▁part ▁of ▁a ▁wrest ler ; ▁thus , ▁it ▁is ▁also ▁known ▁as ▁the ▁" pass ivity ▁zone ". ▁Inside ▁the ▁red ▁zone ▁is ▁the ▁" central ▁wrest ling ▁area " ▁which ▁is ▁seven ▁meters ▁in ▁diameter . ▁In ▁the ▁middle ▁of ▁the ▁central ▁wrest ling ▁area ▁is ▁the ▁" central ▁circle ", ▁which ▁is ▁one ▁meter ▁in ▁diameter . ▁The ▁central ▁circle ▁is ▁surrounded ▁by ▁a ▁band ▁ 1 0 ▁cent im eters ▁wide ▁and ▁is ▁divided ▁in ▁half ▁by ▁a ▁red ▁line ▁eight ▁cent im eters ▁in ▁width . ▁The ▁diag on ally ▁opposite ▁corners ▁of ▁the ▁mat ▁are ▁marked ▁with ▁the ▁wrest lers ' ▁colors , ▁red ▁and ▁blue . ▁ ▁For ▁competition ▁in ▁the ▁Olympic ▁Games , ▁the ▁World ▁Championships , ▁and ▁the ▁Cont inental ▁Championships , ▁the ▁mat ▁is