Made a quick mod with two versions for striker one version has the normal pants the other one has a hip window variant, to use the hip window one i recommend you usae the mod that removes the line on the hip.
How to install 1/Create a folder named ~MODS inside SteamsteamappscommonDNFDUELREDContentPaks~mods 2/Extract and copy the whole folder into the ~MODS folder