Volume: [total] 1745 cu in, [main compartment] 1318 cu in, [side bag, single] 140 cu in, [top] 146 cu in * Dimensions: 12 x 5 x 18 in * Pockets: 2 removable side, 1 top, 1 internal padded laptop sleeve * Material: [body] 1000D Campdura, [lining] 420D nylon, [webbing] nylon * Recommended Use: hiking, weekend camping, travel, school