This bag deals in extremes; like extreme comfort and weather protection. You won’t hesitate to trust the integrity of your valuable electronic devices to this bag. Besides its weather resistant shell, this pack has a tricot lined padded sleeve that fits a sizable 17” laptop. The bag also sports two stretchable side water bottle compartments and a stretch mesh front compartment that can be used to carry protective head gear among other things. This one is well balanced and ready for whatever.