The cw_wolf_skin_update.rar file you have requested: Skins / Npc / Half-Life 2 CW Wolf NPC Skin - 528.61kb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
This is a very interesting Skin made for the combie. As you can see on the screenshots, it actually replaces the whole combine skin with a wolf skin, that even replaces the eyes with wolf eyes. A worth checking out!