Packed this for a four-day work trip and the 32L size swallowed my clothes, laptop, and gym shoes without a fight. The recycled polyester fabric feels tougher than it looks, and the internal pockets kept my charger and passport from vanishing into the void.
The internal organization on this thing is what sold me—there's a spot for everything instead of one big black hole. The recycled polyester fabric feels surprisingly light for how sturdy it is, and it's held up fine stuffed into overhead bins.