The seva_stalker_suit.zip file you have requested: Shadow of Chernobyl / Skins / STALKERs / SEVA Stalker Suit - 496.29kb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R. Shadow of Chernobyl and upload any files you want to share or are missing. This is the only information we could locate:
A reskin of the STALKER suit to have a mixture of the SEVA and STALKER suits. For info on installing and permission check out the readme file.