Large, 2 ft, frame backpack. 2 main compartments, lower for sleeping bag or tent. 2 zippered side pockets. Outer centre pocket 11"x11"x 3", 7 leather fixtures for extra straps. Padded adjustable waist band and shoulder straps. Padded lower back pad 9" x 8". Capable of carrying heavy loads. Seldom used. In good condition.