1、足(zu)(zu)(zu)球(qiu)(qiu)(qiu)尺寸:3號(hao)(hao)足(zu)(zu)(zu)球(qiu)(qiu)(qiu)的(de)(de)直徑(jing)一般約(yue)為18cm,大(da)多(duo)作為5~12歲孩(hai)子的(de)(de)訓(xun)(xun)練(lian)用(yong)(yong)球(qiu)(qiu)(qiu);4號(hao)(hao)足(zu)(zu)(zu)球(qiu)(qiu)(qiu)的(de)(de)直徑(jing)一般約(yue)為20cm,主(zhu)要面向5人(ren)制及7人(ren)制賽事,或(huo)室內足(zu)(zu)(zu)球(qiu)(qiu)(qiu),也作為青少年訓(xun)(xun)練(lian)及小型(xing)比賽用(yong)(yong)球(qiu)(qiu)(qiu);5號(hao)(hao)足(zu)(zu)(zu)球(qiu)(qiu)(qiu)的(de)(de)直徑(jing)一般約(yue)為21cm,是常見的(de)(de)正(zheng)規(gui)足(zu)(zu)(zu)球(qiu)(qiu)(qiu),大(da)多(duo)用(yong)(yong)于正(zheng)規(gui)大(da)型(xing)成人(ren)賽事或(huo)訓(xun)(xun)練(lian)用(yong)(yong)球(qiu)(qiu)(qiu)。
2、足(zu)球(qiu)材(cai)質(zhi)(zhi):PU材(cai)質(zhi)(zhi)的足(zu)球(qiu)品質(zhi)(zhi)較好、手感軟(ruan)且(qie)具有(you)防水防污(wu)、耐(nai)磨(mo)耐(nai)寒(han)等特點(dian),無論是作為(wei)室內外的用(yong)球(qiu)都(dou)比較適合(he)。PVC材(cai)質(zhi)(zhi)的足(zu)球(qiu)價格便宜且(qie)具有(you)耐(nai)磨(mo)耐(nai)折、耐(nai)酸堿等特點(dian),但是冬天(tian)易開裂變(bian)形,所以更適合(he)夏天(tian)使(shi)用(yong)。
3、制造工藝:手縫(feng)足球采用(yong)(yong)(yong)(yong)純手工縫(feng)制而成,制作成本較高(gao),具有耐磨耐踢、觸感舒適(shi)、操(cao)作性好(hao)等特點,大多(duo)作為正式比賽(sai)使用(yong)(yong)(yong)(yong),但(dan)(dan)不(bu)適(shi)合在雨天使用(yong)(yong)(yong)(yong);機(ji)縫(feng)足球采用(yong)(yong)(yong)(yong)機(ji)器(qi)縫(feng)制,制造成本較低,可大批量生產,但(dan)(dan)其(qi)觸感生硬,縫(feng)線暴露在外(wai)且(qie)強度不(bu)足,一般只用(yong)(yong)(yong)(yong)于訓(xun)練或者(zhe)娛樂(le)用(yong)(yong)(yong)(yong)球。