Versatile Storage: Internal removable laptop sleeve for a travel-friendly open interior (sold separately). Flat Base: Stands upright for easy access. Full Clamshell Opening: Unzips completely for efficient packing and organization. Ergonomic Harness System: APEX® 3D Spacer-Mesh with A.M.Y.®/Sorbtek® antimicrobial & wicking technology for breathable comfort. Durable Construction: Reinforced with Berry-compliant bar-tacks for added resilience. Quick-Release Features: Adjustable sternum strap and emergency quick-release buckles on shoulder straps. Grab-All Handle: Secure, durable handle with a small drop for a firm grip. Luggage Pass-Through: Seamlessly attaches to rolling luggage. Water Resistance: Designed with STORMPROOF® rain protection. TSA Compliant: Travel-ready, meets security screening requirements. Attachment Points: 4 Hypalon latch points reinforced with Berry-compliant bar-tacks. 4 exterior D-rings on the front harness for modular attachments. Laser-engraved Hypalon label for long-lasting durability. Removable key fob for secure key storage. Capacity: 21L Exterior Dimensions: 19.5” H x 12” W x 6” D Weight: 2.9 lbs Front Vertical Pocket Opening: 13” Rear Concealment Compartment Opening: 13.5” Internal Mesh Pocket: 9” W x 7” H Material: UltraGrid™ Black Grid/1000D CORDURA® MultiCam® Nylon – DWR coated, Challenge® Sailcloth EPX400, APEX® 3D Spacer Mesh, YKK® RCPU2 Zippers Covered by The Brown Buffalo Limited Lifetime Warranty Originally designed for a trip through Australia and Tokyo, the Conceal Pack 21L™ was built to securely carry essential items while keeping them discreetly concealed. With a briefcase-style internal laptop sleeve, spacious compartments, and an ergonomic harness system, it provides ultimate comfort, durability, and organization for everyday use and travel. Inspired by decades of durable bag construction (1920s-1990s), the Conceal Pack prioritizes premium materials and functional design to ensure long-term reliability.