The gray_skins.zip file you have requested: Skins / Star Trek / Voyager Gray Skins - 384.27kb is not available. Perhaps try browsing all files for the game Star Trek: Elite Force and upload any files you want to share or are missing. This is the only information we could locate:
This skinpack from B'Elanna contains gray uniforms (as seen in Voyager's "Blood Fever") for all female skins/chars and is RPG-X compatible. A First Contact uniform for Neelix has also been included.