#filter variant

},{
                    name: "AVAILABILITY",
                    multiple: false,
                    getAttr: function(el, data){
                    	if(el.hasClass('sold-out')||el.one('.product-mark.sold-out')){
                        	return 'OUT OF STOCK';
                        } else {
                        	return 'IN STOCK';
                        }
                    }
                }, {
                    name: "SIZE",
                    multiple: false,
                    getAttr: 'variant|SIZE'
                }
                  ]