Bought there is a little less than a year, durable and sturdy bag over the life fills uses hands down. It is light, simple and practical with its multiple pockets, it effectively protects a laptop 15 "without problems and will follow you wherever you go. It worked ergonomics makes it a companion back we almost forget to use. J 'I had the opportunity to abuse it regularly already, including biking hiking, deform by stuffing it with bicycle helmet or heavy urban racing. He did not move. The seams are holding up.
Little "plus": If stain, easy to clean with a sponge. Its gray color also helps to make them more discrete damage;) Finally, the two straps "passes" side are ideal to accommodate walking sticks for hikers / skiers!