Check the listing for details. MONO Classic FlyBy Ultra Backpack - Black. Condition: New with tags. Listed at 296.99 USD. Stylish Gear Pack for Music Makers on the Go MONO's stylish, waterproof FlyBy backpack has been a long-standing Sweetwater favorite, both among our staff and customers who need to brave the elements with their life's work on their backs. Now, the MONO FlyBy series has even more to offer in the FlyBy Ultra. This backpack's rugged 1680D ballistic nylon shell and sleek high-visibility design make flying and trekking with your gear safer and easier than ever. Inside, you'll find room for all your gigging essentials: controllers, interfaces, headphones, cables, and more; plus, there's a modular laptop bag/day pack that detaches for quick access. Outside, a military-grade Hypalon sole protects your gear from any rough and soggy surfaces you're likely to encounter.