Backpack Men's Advanced Sense

CPN-558468720

INTELLIGENT INCREASE DESIGN - This backpack has smooth zippers on the back side. Once pull on the intelligent zipper, the invisible compartment will show up and equipped with extra 50% of space. Best choice for short journey and easy your daily life. INVINIBLE WATER BOTTLE POCKET - Made of newest high-tech waterproof material which flexibly fixed bottle or umbrella to prevent wetting out