Ijakhethi yokuzivikela inomoya omuhle wamanzi, ayingeneki, kulula ukuyifaka nokuyikhumula, ayiphazamisi izinto ezenziwa abantu ngokomzimba, futhi ingaqinisekisa ngempela ukuphepha kwabantu emanzini.Ibutho lethu linejakhethi yempilo yohlobo lwevesti.Ungqimba olungangeni manzi ebusweni luyi-tape enezinhlangothi ezimbili ezenziwe ngenjoloba ekhethekile.Kunamasaka antantayo angu-4 agcwele i-kapok ngaphambili nangemuva.Isisindo esiphelele singamakhilogremu angu-1.5 kuphela, kodwa singakhiqiza ngaphezu kwe-16 kg ye-Buoyancy, iqhawe elihlome ngokugcwele ligqoka futhi lintanta olwandle, indawo yamanzi ngeke idlule emahlombe.Noma ngabe ijazi lokuziphilisa lidabukile, kusekuningi ukunyakaza.

Ngaphezu kokukhiqiza ukunyakazisa okukhulu, ibhantshi lokuphila lomshayeli we-Naval Air Force liphinde libe nezakhiwo zokuhlonza kalula kanye nokumelana noshaka.Lolu hlobo lwejakhethi yokuphila lubuye lube uhlobo lwe-vesti.Ngaphezu kwamasaka amane antantayo agcwele i-kapok esinqeni sayo, kukhona nepayipi elifuthayo engxenyeni engaphandle yesaka elintantayo.olwandle.
Ijakhethi yempilo, eyaziwa nangokuthi i-life vest, iwuhlobo lwezingubo ezisindisa ukuphila, eziklanywe njengevest, ezenziwe ngendwangu yenayiloni noma i-neoprene (NEOPRENE), impahla e-buoyancy noma impahla e-inflatable, impahla ekhanyayo, njll. Impilo yesevisi evamile ingu-5 -Iminyaka engu-7, futhi ingenye yemishini esindisa impilo emikhunjini nasezindizeni.Ngokuvamile uhlobo lwe-vest, olwenziwe ngepulasitiki yegwebu noma ukhokho.Ine-buoyancy eyanele ukugqokwa emzimbeni, ukuze ikhanda lomuntu ogwilizayo likwazi ukuphuma emanzini.