Need a very good pack for that will last for Six m

[Pacman]

Need a very good pack for that will last for Six months, below are the following places I plan on visiting:
1. Portugal
2. Madrid
3. Barcelona
4. Scotland
5. Ireland
6. Dublin
7. Great Britain
8. Frances and all smaller cities
9. Switzerland
10. Norway
11. Denmark
12. Holland
13. Germany
14. Czech Republic
15. Slovakia
16. Hungary
17. Romania
18. Croatia
19. Bulgaria
20. Greece
21. Athens
22. Rome
23. Italy
24. Florence
25. Monaco
26. Belgium
27. Luxembourg
28. Scotland
I’ve read all of the post on backpacks but I just need one good one, that has good for security, durable and has plenty of space. Because I will be using it for a total of six month, and I planning on going on another adventure to, Asia when I am done with this one. I’m a tall 6’1 guy, Medium frame in good shape,

[Pacman]

*post edited because it's identical to the one above*

[Pacman]

*so was this one*

dude, just go to your local store that sells backpacks and try on a bunch of them, compare them....bada bing! buy one of them...sorted!

[kingcrazylegs]

I suggest you check out the links on tis post. You'll find lots of packs on those sites. My top two suggestions (personally) would be Dana Designs and Marmot.