Wordpress (WP All Import + WooCommerce)

We need help with displaying stock status for a shoe site running woocommerce with wp all importer. The purpose is to show shoes with ability to choose a variable (shoe size) and get a display the current stock status for 4 stores on single product site. Important to note: We basically need 4 custom fields per variation in the WP All Importer plugin. Then use these custom fields to show variety data on woocommerce single product with ability to choose size and get the current field for variety i.e shoe size 34. Example of the XML article thats being imported: <item Art="1108101/"> <TypeCode>110</TypeCode> <TypeLabel>TUNNARE PROMENAD</TypeLabel> <ArtLabel>370833-00001 black</ArtLabel> <SupplierCode>ECCO</SupplierCode> <TYP-ID>2</TYP-ID> <price>890.00</price> <sizes size="35"> <store Location="Kosta"> <Stock>0</Stock> </store> <store Location="Älmhult"> <Stock>0</Stock> </store> <store Location="Öland"> <Stock>0</Stock> </store> <store Location="Malmö"> <Stock>0</Stock> </store> </sizes> <sizes size="36"> <store Location="Kosta"> <Stock>1</Stock> </store> <store Location="Älmhult"> <Stock>1</Stock> </store> <store Location="Öland"> <Stock>1</Stock> </store> <store Location="Malmö"> <Stock>0</Stock> </store> </sizes> <sizes size="37"></sizes> <sizes size="38"></sizes> <sizes size="39"></sizes> <sizes size="40"></sizes> <sizes size="41"></sizes> <sizes size="42"></sizes> <sizes size="43"></sizes> </item> Our setup: Wordpress, WooCommerce, WP All Importer, AFC Pro. Fast and easy task for the experienced one, is that you? We need this done within 48-72h.