Umwenda nyamukuru ni polyester, ibyiciro 3 byubatswe byubatswe hamwe na ePTFE membrane ifite imikorere ihanitse yibintu, Irashobora guturika kandi igatanga uburyo bwo kurinda ikirere, nta gishushanyo mbonera kiranga ibintu byinshi: igikoresho gishobora guhinduka cyane, hamwe nubufuka bubiri bwateguwe neza, ibintu byingenzi byingenzi ni imikorere myiza yo kutagira amazi n’umuyaga, Inkingi y’amazi: 20.000 mm hab Guhumeka: 15000 g / m2 / 24h.Iyi koti ni ikoti yimvura idasanzwe izengurutswe yiteguye gukemura ikintu icyo aricyo cyose uhereye mubihe bibi.Ikintu nkunda cyane kuriyi koti nuko yubatswe, imyenda kandi ikwiriye guhinduka kandi igakurikiza imirongo isanzwe yumubiri.By'umwihariko, ni imikorere yerekanwe, isobanuwe neza hamwe na kataine hamwe no gushushanya byakozwe kugirango bigane imiterere karemano yumubiri mugihe ugenda, iyi irashobora kugaragara neza neza kumubiri wabagore - bakeneye gusa guhobera umurongo wawe.