Michael Kors Rhea Medium Slim Leather Backpack in Gray | Lyst。The Michael Kors Rhea Medium Grey Leather Backpack is a stylish and versatile accessory designed for women. Made of luxurious leather in a chic grey exterior color, this backpack exudes sophistication and practicality. With the iconic Michael Kors branding and a medium size, this backpack is perfect for everyday use or a night out. The backpack style offers both fashion and functionality, making it a must-have for the modern woman on-the-go. Note: please look at all photos carefully. There are a few callouts/small spots on the outside and inside all shown in the photos