From the blog "TrailGroove Blog"

Since moving to the Lone Peak line as my 3 season hiking and backpacking shoe of choice in 2014, I’ve followed along as the shoe has matured across various versions as I’ve worn out each pair along the way. Now that it’s 2020, the latest version is all the way up to the 4.5 model that is quite different from very early versions of the Lone Peak, but very similar to more recent versions like the Lone Peak 4.0. In fact, the new Altra Lone Peak 4.5 is so similar that after wearing out my