Octavia Iridos Skin on Octavia Prime has back skirt from Prime detail while other Prime detail don't appear and has no Prime detail button to turn off.
Octavia Iridos Skin on Octavia Prime
Has Back Skirt from prime detail and no button to turn off.
Octavia Diva Skin on Octavia Prime
Back Skirt is a part of Prime Detail can be removed with Prime detail button on other skin on Octavia prime.
Octavia Iridos Skin on Octavia
Back skirt detial doesn't exist on normal Octavia with Iridos Skin