These are replacing a 5 year old pair that are the exact same model and size. As expected, Salomon has made some upgrades to the shoe in the last five years but they are subtle and I assume were done to make the shoes more durable. I can't put my finger on what's different, but these don't fit me as well as my old pair. In particular, the shoe is plenty roomy, but on my first long hike, I got really bad toe bang where several of my toes turned black and blue. I've got the laces tightened down, so that's not the problem. I don't recall ever having the same issue with my old Salomons.