pls help

i wanted to import a mash and a t shirt from marvelous studio to blender (ver. 2.79) for a sims 4 clothing and the t shirt doesnt sit on the mash, i can only see it if i select the edit tool and press "." . im new to blender and i search everything on the internet and didnt find a solution. please help me


imgur.com/a/BB9Jh0t