Osprey Mira22 back pack, adjustable shoulder, waist and chest strap. Vented back for airflow, good size main storage with side bottle holders and 3 smaller, easy access zippered compartments. 2.5 liter water bladder and includes a rain cover. Only used two or three times. Needed to trade up to a larger size with different shoulder strap configuration. Color is Bahia blue ( blue/green)