The SlackPack by Trango
This thing is designed with setting up your rig in mind. The SlackPack is a 48L top loading pack with an extra side entry to get to your gear quick. So, you never put your gear in the dirt this thing has a detachable tarp. The side mesh pocket for your stinky shoes, guidebook/sketchbook storage, and 2 extra straps for jackets or extra line this is "The SlackPack".
To top it off it comes with 25 mini waste liners to help keep the Earth Balanced when leaving the parks or forests.
List Price: $109.00
ROXBACK SlackPack by CAMP
The RoxBack by CAMP is a great SlackPack. With it's full-length zipper it makes packing and storing gear quicker than ever. It now comes with CAMPs Rocky Carpet, a large rope tarp that has a full width pocket for stuffing back-up lines, tension systems, etc.The extra padded backside and padded straps makes this thing extremely comfy on those long approach hikes.