*【MILITARY MOLLE SYSTEM】 Molle backpack webbing system on front and sides, is designed to be used in combination with other equipment. You can attach extra pouches or gears as tactical backpack; Such as kettle pouch, walkie-talkie pouch, first-aid pouch, torch pouch, sundries pouch and also the sleeping bag and mat. The shoulder straps with two D-rings can hang somethings, and the straps at the bottom can be used to hold a tent or other outdoor gear.**【50L LARGE CAPACITY】The upgraded tactical shoulder backpack is strengthened to 50L. Size approx: 13x11.8x20 inches/ 33x30x51 cm(LxWxH). The side pockets are added for fishing gear, camping kits, survival kits and so on. Moreover, hydration insulation layer on the back, can keep liquid cool for up to 4 hours.