The Survivor does not have an adjustable back system but all the other features you need on a sack.
Popular with youth groups (ATC, Scouts etc..), weekend walkers and trekkers or folk of to music concerts, festival etc who want a decent rucksack that doesn't cost the earth (or matter if it's in tatters after a hard, long mud filled weekend!
Features:
Capacity: 65 litre
Hardwearing polyester fabric
Integral rain cover - keeps contents dry
Padded mesh back with cooling air channel
Padded shoulder straps & hip belt & webbing
chest belt, making it easy to carry
Tension adjusters for balancing load
Internal support frame for extra stability
Separate base compartment
Elasticated lash points
2 walking pole holders
Carry handle
Available in Navy Only. Buy online and save money