Somebody tell Bill Bryson. 🙂
Mountain Hardware South Col™ 70 OutDry Backpack
The one-pack solution for mountaineering expeditions on the world’s highest peaks. The flexible design and highly evolved compression system lets you add and remove components as well as shrink and expand the pack as needed.
OutDry construction bonds a durable waterproof membrane to the main compartment so that your gear stays safe and dry in even the wettest conditions.
Click PLAY or watch a preview on YouTube.
(via Adventure Blog)