@OhBeAFineGuyKissMe, you mean the model herself may have physical limitations?
She's in a more conventional pose here, so don't think it's that.
https://www.matchesfashion.com/products/Raey-Textured-twill-maxi-skirt-1340904
(Though I apologise wholeheartedly to her if that is the case. No offence intended towards any individual...more the strange 'vibe' and angles in my first post, which I assumed a stylist had engineered, and therefore been approved by the designer).