100% nylon back sack features the official Hopkins Athletics logo embroidered in full color on the front panel. Side seam tricot-lined valuables pocket. Adjustable single cording. UA custom designed sternum clip. Front pocket for extra storage and organization. D-ring on front panel for additional attachment. 100% nylon. 19" by 15" by 2". Capacity of 1500 cubic inches. Graphite. By Under Armour.