The Trekker Outback is made of aluminum and has a capacity of 58 liters. It can hold two full-face or modular helmets. It connects to any existing Monokey mount. The Trekker Outback cases feature a flat lid with four strap slots, allowing you to secure additional luggage on top. Inside, you can secure items at the bottom of the lid with an elastic net (sold separately), which can be attached to the existing hooks. Additionally, this case has a removable inner cover at the bottom to absorb vibrations during riding. There is also a range of optional accessories that allow you to customize the case even further to your needs. Find out about the mounting kit you need for your motorcycle.