The problem with the cheap ones is that at some point, you might pull the rubber part through the sole. Not sure how these are rated so high. Sandalo comodissimo However they wear them all the time indoors and to run outside quickly. More than once Ive hit minor road turbulence on my bike (e. 100% operational from the last lot. The special Steelseries software has really helpful functions. Love love love! The phone looks and feels good. Next time I will order a 37 narrow, and I actually have a size 36 but its just barely too short for my foot.