JanSport Big Bear 63
Here's what other sites are saying:
Trips are easy with this large-capacity, long torso internal frame pack. Its features are ergonomic with S-Curve(TM) Shoulder Straps , top-loading main compartment with compression hood, and large front panel sleeve for quick access. The sliding harness adjusts for 13" -16" torso lengths. A Hydration Sleeve to hold your water reservoir. The dual side water bottle pockets and mesh wet/dry pockets make it very easy to throw your essentials into, which makes it great for hiking and even a day by the lake.
- Rocky Mountain Trail