Athletic Backpacks designed for functionality of the office, gym, or the lone wolf! • Express your personality with removable patches in the built-in hook & loop space. • They are made of Waterproof Oxford 900D Polyester and are built to last. • Our Backpacks are spacious and provide lots of pockets to hold the gear you need to tackle your day. • Check out our Size Chart • Trust Your Instincts Patch Included • Be A Wolf Patch Included • Logo Wolf Head Patch Included • Mini Be A Wolf Shoulder Strap Patch Included • Dual Cup Holders (Shakers NOT Included) • Protective Inside Computer Pouch 10in x 10in • Fits Carry On Regulations Overhead Compartment • YKK® Japanese Upgraded Two Way Water Resistant Zippers • 180 Degree Opening for easy packing • Waterproof Surface Oxford 900D Polyester • Load Test up to 35lbs Per Strap