Expandable Capacity The main compartment can be expanded by a simple zip to fit extra documents or a change of clothes, giving you flexibility for varying daily needs. This design helps you avoid carrying a second bag when you need more space for a trip, meeting, or busy workday. RFID Blocking Protection Builtin RFID blocking technology protects your credit cards and IDs in interior pockets from digital theft. Provides an extra layer of security for modern professionals who carry sensitive information. Lightweight and Strong Made from ultralight yet durable carbon fiber reinforced material. Delivers strong, reliable protection without adding bulk, making it comfortable to carry all day. Smart Charging Port Features a discreet external USB port that connects to an interior power bank pocket (power bank not included). Lets you charge your devices on the go without opening the bag or removing items. Use scenarios Daily office commute: Expand the main compartment when you need extra documents or a spare outfit, while keeping cards secure and weight manageable for long days. Business travel or meetings: Use the expandable capacity to accommodate travel documents and meeting materials, with RFID protection for sensitive cards and a convenient charging option for devices. Onthego work sites or client visits: Rely on the secure interior pockets to guard essentials, and use the external port to keep your devices powered throughout the day.