Its retexture for the Slim Tee made by Shiki’Flex
After the download rename the JBIB YDD with this name : jbib_046_u.ydd
MP CLOTHES: mods\update\x64\dlcpacks\mpclothes\dlc.rpf\x64\models\cdimages\mpclothes_male.rpf\mp_m_freemode_01_mp_m_clothes_01
Credits:
RainoklatLand