HAZARD 4 Plan-B(TM) Sling Pack w/MOLLE Nylon Made in USA or Imported The total-customization w/ full modular accessory strap (molle) coverage and includes padded, movable internal divider like those in photo bags Compression-straps also cross to secure large objects side; Relatively large volume - will hold bulky items with ease Full hydration bladder compatible - fits up to 100 Oz./ 3L. Can fit 3 L hydration bladder up to 2.5 L capacity One large pocket for access while on chest w/ organizer; generously padded back w/ air circulation pad array & no external air-mesh materials Main Material: DuPont(R) 1000D Cordura(R) (500D Camo models) Small top-zipper to pass long objects like antennas/barrels. Compression-straps also cross to secure large objects. Generously padded back with air circulation pad array. 3-d air-mesh under strap for ventilation &amp; comfort. Full hydration bladder compatible: can fit hydration bladders up to 67 oz./2 L; can also fit 3 L hydrationbladders but only filled up to 2.5 L capacity. Trap-door pass for hydration hose w/ large bite-valve cover. Wind-flap zippers on all pockets to keep out the elements. Stabilizer strap links to either side (keeps bag from sliding).