MICHAEL Michael Kors - Porter Flex Pump. Color Black 1. Low Stock. On sale for $43.50. MSRP $145.00.. 3.2 out of 5 stars1 left in stockBrand NameMICHAEL Michael KorsProduct NamePorter Flex PumpGenderWomen'sColorBlack 1Price$43.50MSRP: $145.00Rating3Rated 3 stars out of 5(6)