Never enough space for all your lifting gear? Shoes stinking up your bag? Wearing your lifting belt throughout the airport? Airlines losing your checked luggage? Chalk all over your laptop? We have created a powerlifting backpack that allows you to keep your valuables in one place while you are travelling, going to the gym, school or wherever life takes you. Introducing the A7 U Bag because you deserve a bag for you. U Bag features: Loop-through top and side openings for easy travel with your belt Stowable internal shoe compartment Innovative four-zipper design for access to all sides of main compartment Clamshell opening for easy packing Zippered expansion system for extra room when you need it Thick, padded shoulder straps Vertical and horizontal carrying handles Internal mesh organization pocket TSA-ready laptop sleeve Document / tablet pocket Quick-access top stash pocket Lay-flat water bottle holder Chest strap Dimensions: 12 in wide x 17 in high x 9 deep Plus a 2.5 inch expansion compartment for extra space Capacity: unexpanded volume is 37.2 liters and the expanded volume is 51.3 liters Construction Quality: YKK zippers 500 Denier nylon construction Interior fully lined with ripstop nylon Metal ladder lock slider buckles