• NEW TUMI Alpha 3 Backpack with lifetime warranty registration card • 1050D Reinforced Ballistic Nylon (ISO 6330 abrasion-tested) • Expandable Capacity: Fits 17" laptop + 3-day business essentials Front expansion adds 34% volume (patented FlexFold™ system) • Pro Organization: RFID-blocking card slots (3) + lockable YKK® aquaguard zippers Dedicated tablet sleeve + moisture-sealed umbrella pocket • Travel Engineering: AirCore™ ventilated back panel (37% less sweat vs standard) Trolley strap integrates with TUMI luggage (snap-lock system) • Dimensions: 17" x 12" x 8.1" (expands to 11.2") • Ships in TUMI archival dust bag via FedEx Standard Overnight®