Hey! sure.
You will need to make 2 different models for each item.
1 upper body / Female
1 upper body / Male
1 lower body / Female
1 lower body / Male
This is because upper body and lower body intersections are at different height for female and male.
In order to precisely do this you will need to download male and female reference models and adjust your intersection vertices to be at the same position as the reference.
Once you are done with all your models,
1/ inside the wearable tool, go to your collection
2/ click on the item name
3/ add representation
Thank you!