I have been using my fast rack backpack which my friends gifted me on my birthday 5 years ago.Only few stitches are torn that too now after so many years and still is happily serving me by loading heavy luggage with utmost reliability over the strong and waterproof material.
CONS: The designs are very limited that make me go for some another brand sometimes.They should work on this part.Otherwise quality of all the products of fast track is very fine.