Water resistant messenger pack designed to work with Origin8 front flat racksRemovable bottom panel provides structure and offers a sturdy platform for stacking itemsFeatures a dedicated U-lock pouch and multiple pockets for pens and small itemsRoll top closure with adjustable strap and buckleDurable 600D Polyester construction with TPU inner liner for water resistanceBag volume: 3800 CI (18.2`x11.2`x19`)Velcro Straps18.2`x11.2`x19`3800 c.i.CamoXXX-Large (700+ CI)