Acne Studios Post Backpack Acne Studios。Never been used | brand new and only worn around the house to see if I liked it. Have had it for a few years now | style is no longer available | NO TRADES | PRICE IS FIRM The Acne Studios Ripstop Backpack in Black Nylon is the perfect balance of style and practicality. Crafted from durable nylon-ripstop, this sleek black backpack is designed for the modern, on-the-go woman. With features like a padded laptop sleeve, a protective ID window, and a silver-tone D-ring for keys, it\'s built to keep you organized and ready for anything.