Jansport Readline 48 Backpack
48 liters or 2950 cu in of pack space. Good for smaller frames on a weekend backpacking trip
Mountainsmith Circuit 6400
6000 cu in of pack space. Men's size. Tons of room for a week long trip.
The Mountainsmith Vista Backpack is a multiple overnight pack .The Vista has a shorter torso length and includes a contoured waistbelt and narrower cut shoulder straps for women.
Deuter Aircontact 75+10
Men's expedition sized pack. Tons of room for a week long trip
Camp Trails Apollo III
5030 cu in . Good for a 4-5 day long trip.