INSTALL FOR HOODIE: run openiv and drag and drop the file here: Grand Theft Auto V\mods\update\x64\dlcpacks\mpsum\dlc.rpf\

INSTALL FOR PANTS: run openiv and drag and drop the file here:\Grand Theft Auto V\mods\update\x64\dlcpacks\mpjanuary2016\dlc.rpf\x64\models\cdimages\mpjanuary2016_male.rpf\mp_m_freemode_01_mp_m_january2016