They have stable yet amazingly cushioned soles and outers, and while this obviously translates to them being less durable, Im willing to sacrifice longevity for the level of comfort I get out of these boots. Being a LEO, I work long shifts in heavy boots all night. Easy to set-up after creating level surface. I love these slippers & I hope I can buy another pair soon before theyre all gone in my size . If you are on the fence of whether to upgrade to the newer version of these, save yourself $80 and try these out. In accuracy testing, results averaged just over 93%, on par with my previous aiming champ, the G303. There is barely perceptible pretravel on all of them, not noticeable in game and well worth the cost of the modularity involved. 8m but its too long for me so I bought 1. Very nice dress. I had issues with the E8s when I bought those (battery drain issues, distorted sound, and application problems), H9s (poor battery life, poor noise cancellation), and H9i (randomly disconnect for no reason?as if they?d just gone to sleep.