Lululemon City Adventurer Backpack Lightly used, looks brand new! Black with gold hardware 100% Polyester This backpack was designed for a quick work-to-workout transition with a built-in pocket for sweaty gear. Fabric is durable, water repellant and easy to wipe clean. Reinforced strap construction carries a heavy load when you're on the go all day. Expandable pocket for your sweaty gear. A quick access phone pocket helps keep you connected. Measures 17" x 11" x 7+. 100% Nylon. 100% Polyester lining.