Bella's backpack from twilight trailer.What kind is it?

[Olivia]

i saw the twilight trailer. and i just love her backpack the orange one she has on her truck. where can i find one like that. or the same exact one.(obviously not the one used in the movie.but same brand and style and stuff)
do you know where i can find a backpack like that?

 

[Megan T]

umm i think its a jan sport backpackkk

 

[...O_o...]

i just watched the trailer.
the bad thing is...
it only shows half the back pack.
sooooo im going to guess that its a jans sport back pack.