Would this pack be suitable for a smallish 17 year old? Would it be too large for 1 to 2 week hikes through thick bush?

Tech Specs:

Material:

630D Nylon 

Volume:

[S] 4880cu in (80L); [M] 5200cu in (85L); [L] 5200cu in (85L) 

Suspension:

X-Radial with 7075 aluminum stays, E-VAP shoulder harness, E-VAP 3-point hip-belt 

Hydration Compatible:

Yes 

Torso Adjustment:

Yes 

Detachable Pack:

No 

Sleeping Bag Compartment:

Yes 

Rain Cover:

No 

Access Types:

Top, side 

External Pockets:

1 Lid, 1 front, 2 side 

Snowboard Carry:

No 

Ski Carry:

No 

Gear Loops:

2 Trekking pole 

Ice Axe Loops:

2 

Shovel Pocket:

No 

Weight:

[M] 5lb (2270g) 

Recommended Use:

Extended backpacking trips 

Manufacturer Warranty:

Lifetime 

Country of Origin:

United States