Talk:My Little Pony Equestria Girls: Digital Series/@comment-30358957-20171104000233/@comment-10390252-20171105084431

The costumes were changed as part of Hasbro's launch of Barbie-style Equestria Grils fashion dolls. They wanted elaborate character-specific clothes to market with them.

Regarding the boots...? Well, let alone being too big, they were basically the wrong size and shape for human legs.