Deuter AirContact 50 + 10 Lite backpack $80
Easy to adjust, has the top that can be a daypack
Pockets on each hip belt
"This lightweight trekking backpack for ambitious long-distance undertakings features our VariQuick back length adjustment for a snug, comfortable fit and highly efficient load transfer. The Aircontact Lite full-contact back system made of open cell foam with a ventilation channel generates noticeably effective breathability and allows space to ease the strain on the spine. The result: superb balance between comfort and light weight for long days on the trail."
