This backpack it features unique comfort-fit chest closure system has two objectives: to allow for a greater coverage area of reflective and brightly colored material while also securing the backpack in a way that is for superior to standard shoulder straps when riding. But the technical marvels don't stop there. The Squad2 has more stuffable pockets than Winona Rider in a jewelry store. Specifically a secure 15" laptop carry compartment, a mp3 player / cell phone compartment with ear bud cord management system. In addition, port and starboard wing compartments are designed for tool and first aid storage.