You will need the bell bottom pants mesh for the slimmer bodybuilder from
here for these to show up in your game.
Here are another 16 casual outfits for the slimmer bodybuilder consisting of jeans with a longer sleeve tee.
They are organised into 4 sets with 4 outfits in each set.
Set 1.
Set 2.
Set 3.
Set 4.
Credits:
Mesh - Marvine