The comparatively low storage space (about 20 liters) in the main compartment is sufficient for paperwork such as Playboy Magazine and the current manuscript, two shirts, a camcorder with accessories, a few paperbacks, two pairs of trousers, two shirts and a large Maglite. In the other two, patch pockets were underwear and hygiene products, razors and cell phone chargers. I had on my return flight from Canada last week there! The backpack fits namely exactly in your hand luggage! On a Alpentour I once had a cheap backpack, so a Chinafake an army backpack and it was an ordeal. I vowed never to buy such a crap. The TT Patrol Pack looks good and wears easily, you hardly feel it, even after hours and through the ventilation one does not sweat so strong at the back. I am extremely pleased. The processing is - Made in Germany - of course excellent and I will be able to exist for many adventure backpacking, as I'm sure. Laterally there are two straps to Zusammenzurren the backpack, they are suitable to be attached and as you can see in the photo to excellent jacket or shoes, the whole backpack with fabric bands is stitched, countless to tie many loops around equipment. The padded shoulder straps that are really thick and oh ... and ever ...