fucking, mine, has had problems since over a year ago, i've had to sew loads of bits up, e.g. where a whole piece of stitching came up and left the outer layer wide open, or where the outer bit has split where it folds, or where the straps have just started to come off. ive ad it less than 2 yearz!!!
What brand? This is a serious fault, and one that Timbuk2 suffered when they switch to a cheaper nylon thread in the mid-90s. They switched back pretty soon after all the bags started to come for warranty!