adidas Ultimate Baller Sackpack The Ultimate Baller Sackpack is an XL capacity sackpack for the baller athlete. Made with an Ultracord system with thick cording that creates an easy, comfortable closure. One large front zippered pocket is perfect for securing frequently used items. The main compartment features an interior zippered mesh pocket and a tricot lined tablet sleeve. The bottom panel is made from durable ClimaProof fabric that helps protect against the elements. An airmesh padded back panel with airmesh reinforced shoulder pads gives additional comfort. Dimensions: 20" X 17" X 5.5". 600D polyester. Imported.