http://25.media.tumblr.com/tumblr_m0...uyto1_1280.jpg
Here's a designer fooling around and desperate to do something different.
He puts leather at the left hip in a X formation which will never work and the fabric will remain with a kink as he's defying the law of natural horizontal tension.
(the old Jantzen may have had a side lattice but it was not without upper and lower horizontal fabric links also).