Flip Flops, Flip Flops....Flip Flops.
I had the same debate when doing my Lucy cosplay and I agonized over it. I wouldn't trust the floor and usually when asked for a photo I'll take them off or just take the photo with them on.
For sanitary purposes it's never okay.
Utena from Revolutionary Girl Utena [75%]
Hannah Anafeloz from Black Butler [Complete]
Misato from Neon Genesis Evangelion [0%]
Con Alt Delete
Kollision Con 2013 [Saturday only]
Anime Midwest 2013
Anime Central 2013 [Saturday Only]