I'm an occasional runner (2-3 times/week, 10+ km each run). In 2007 I bought ASICS Gel Kayano 12 (TN600) to run with until 2013 (between 3000 and 4000 kilometers). They started to fall apart and I got new ones.
I again chose Gel Kayano, but the model number has increased to 19 (T300N). I had same comfort in running with them, but after around 1000km I recently noticed that the inner backside has exploded, on both shoes. Today, it rubbed my skin away around the Achilles tendon.
Not remembering this issue with my old Gel Kayano 12 (left) I compared the tissue: it is not the same quality (right Gel Kayano 19): (click for a larger version of the pictures)
I basically have two questions: What did I do wrong? Are there still running shoes with the kind of tissue my Kayano 12 had.
I hope this question is on-topic. Please help me to modify it, if it's not.
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