Storage Monster: Expandable 40L interior space with five separated compartments, extra side and bottom straps. 

MOLLE System: Military-style external hanging web system on the back - attach extra gear for quick access. 

Indestructible: Made with high-density 900D oxford fabric and nylon for extreme durability. 

High-Performance Comfort: Breathable sponge mesh back, extra padded adjustable shoulder straps. 

Carry-On Luggage Approved: Padded 16" laptop sleeve, secret theft-proof back section - perfect for everyday, hiking, or adventure.