I like the fact that the main content on the page never disappears, although the interacting with the side bar is at an all time high. It's a very clean layout with flat ui colors that speaks nicely to the flow of the app.
An exclusive free UI kit for e-commerce app created at Five agency. This kit - designed in Sketch - is the first of five. - Detailed image
Orsay Museum by Jeremy Perrot-Minnot, via Behance, great way to display mobile design