We have the Vermi backpack, which everyone loves and is our bestseller. So we deduced from that that it was probably just really good and we tuned it a bit. We added a colorful wave pattern, used a different material, and focused even more on comfort by padding the back and ears. Well, Strogoff was born.Double anti-theft protection – main pocket with zipper and studFront covered zippered pocketInternal compartment for a mini laptop and a smaller zippered pocketPadded back