I just had the outer sole of one of my expensive, 22 month old, Hanwag hiking boots completely delaminate from the boot in the middle of a four day backpacking trip on the Olympic coastline. I managed to complete the trip without incident since the midsole was surprisingly grippy. However, they are completely worn out now. Researching the problem when I returned home I discovered that this is a dirt common problem for multiple hiking boot...
Originally asked by user4030 on Stack Exchange (outdoors) (CC BY-SA 4.0).