Carry your gear in the Undeniable Sackpack for lightweight comfort and bold style. . . . . . 100% polyester. Side seam tricot-lined valuables pocket. Adjustable single cord at opening. Custom-designed sternum clip. Front pocket for extra storage. D-ring on front panel for added attachment point. 19 in. x 15 in. x 2 in.. Cubic volume: 1,500 cubic in. / 25 L.