Product information and features: The Magnum Stealth 45l Back pack is designed for military, paramilitary, security, tactical and hunting while having the functionality needed for everyday use. The Magnum Stealth 45l Back pack is comfortable and is guaranteed through a breathable foam padded on the back as well as chest straps for a secure, personalized fit. The YKK Zippers are used in the make-up of this backpack and it features a compartment for a hydration pack (not included). Material: 600 x 600 d Size: 37 cm Length X 22 cm Width X 50 cm Height A pouch inside main compartment for water bladder Organizer pouches inside middle compartment and front pocket Adjustable strap on both sides Breathable foam padded on back, with chest belt Hook & loop name tape panel YKK Zippers