3300 cubic inches of cool.

Yeah, and it'd still be uncomfortable.

haha! I haven't found mine to be that bad.... yet.

I'm a big fan of reloads midpack; it molds to your back over time an gets really comfortable, has plenty of space and keeps stuff dry really well. It's also built to last a lifetime, super thick tough fabric with double stiched lining on everything and super beefy strap connections.

+ it's made in philadelphia.