O'Neill - Psycho (Navy) - Juniors: XL Superfreak wet/dry backpack. New perfect fit shoulder strap system. Removable psycho sack. Internal padded laptop compartment. New padded airmesh paneling with airflow channels. Padded mp3 zip compartment with neoprene cord port. Tricot lined sunglass compartment. Removable wax pouch and sunglass sleeve. Upgraded clips and zipper pulls. Sternum and waistband straps an logo webbing. Mesh cell phone pocket. 600D denier polyester/ballistic diamond nylon fabrics. Dimensions: 13.5"w x 20.5"h x 9"d. 2,500 cubic inches.