1.[LARGE CAPACITY]: The military backpack , measuring 13'x20'x11' (50.5x33x28cm), a spacious 45L capacity. The roomy backpack is designed to securely carry all your essentials for activities such as hiking, camping, fishing, and gym workouts 2.[MOLLE SYSTEM]: The tactical backpack features a comprehensive Molle webbing, enabling the attachment of extra pouches and gear, ideal for a customizable 3-day assault pack or combat use 3.[MULTIPLE COMPARTMENTS]: This 45L tactical backpack 4 organized compartments: 2 main sections with zippers and mesh for essentials, 2 front pockets with patches for small items, and a back compartment for a 15' laptop. The design allows for a 90-180 degree lay-flat for convenient packing and unpacking 4.[COMFORT MATERIAL]: This tactical military backpack, made from durable and water-resistant 900D polyester, features padded, adjustable straps and robust zippers for secure closure. The supportive waist belt reduces back and shoulder strain, while the ventilation system keeps you cool during outdoor activities