The ATA Adidas Training "2 in 1" bag from the new Adidas Martial Arts collection easily converts from a duffel to a backpack thanks to two shoulder straps stowed inside the bag. This bag offers a spacious main compartment with a stylish and quick-lock Big Zipper. An additional side pocket with an integrated mesh pocket for safe storage of small items is also available. All compartments and pockets are equipped with a zipper. Soft padding on the shoulder strap, grab handles and straps ensure optimum comfort. This bag is available in 2 sizes in 100% strong and resilient PU material and a canvas nylon. Medium measures 12" x 24" x 12", 50 liters Large measures 13" x 28" x 13", 65 liters