Something else to consider is insulating one of your front panniers, and dedicate it to all food products. This allows your to keep drinks cool and carry some perishable items longer. It also simplifies food storage in camp where bears raccoons or other pests could be a problem.

The insulation is fabricated from a cheap sleeping pad and duct tape,


This guy walked by our campsite, while we were eating breakfast, about 15' away. He didn't even look at us. We've had more problems with raccoons than bears.