If you'd like to replace the Fancy Fedora: Insert all "spy_hat" files into C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\models\player\items\spy

If you'd like to replace the Ellis Cap: Insert all "spy_ellis" files into C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\models\player\items\spy

If you'd like to replace the Detective Noir: Insert all "spy_detective_noir" files into C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\models\player\items\spy

If you'd like to replace the Mann Co. Cap: Insert all "spy_cap" files into C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\models\player\items\spy

If you'd like to replace the Frenchman's Beret: Insert all "spy_beret" files into C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\models\player\items\spy

If you'd like to replace the Noh Mercy: Insert all "shogun_ninjamask" files into C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\models\player\items\spy

If you'd like to replace the Magistrate's Mullet: Insert all "noblehair" files into C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\models\player\items\spy

If you'd like to replace the Familar Fez: Insert all "fez" files into C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\models\player\items\spy

If you'd like to replace the Backbiter's Billycock: Insert all "derby_hat" files into C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\models\player\items\spy

Place all "beanie" files into: C:\Program Files\Steam\steamapps[your username]\team fortress 2\tf\materials\models\player\items\spy

Enjoy!