Model can be found here Loose Tee For MP Male
mp Installation Path: Grand Theft Auto V\mods\x64v.rpf\models\cdimages\streamedpeds_mp.rpf\mp_m_freemode_01\
sp Install to x64v.rpf>models>cdimages>streamedpeds_players.rpf>player_one
model can be found here Loose shirt for Franklin
Credits:
TheVille