This happened to me with Asics. The Kayano 17 was the best running shoe I’ve ever had, so I replaced them with the Kayano 23. You’d think a newer version of the

This happened to me with Asics. The Kayano 17 was the best running shoe I’ve ever had, so I replaced them with the Kayano 23. You’d think a newer version of the same shoe would fit the same. Nope. I actually kept them because I’m stubborn, but anything longer than 10k and I get terrible blisters even after putting hundreds of kms on them. I’ve had the same issue with Adidas as well. I just can’t understand why they change the fitment for the next version of the same shoe. Who does that benefit?