I definitely don't think there is any reliable connection between price and durability. North Face or Jansport backpacks are classic examples of items that are

I definitely don't think there is any reliable connection between price and durability. North Face or Jansport backpacks are classic examples of items that are well-known for their durability but are not very expensive up front. Patagonia is not an inexpensive clothing brand, but it's also far from the most expensive clothing brand.