The tops do seen to be thicker than most of the closed toed Crocs Ive had in the past. "Noise cancellation" technology doesnt block sounds like sirens, helicopters, leaf blowers, gun shots, etc. nike air force 1 foam I wore them for quiet few hours without any discomfort on toes. They look pretty well made, so I hope they last at least 3 years. nike air force 1 foam I contacted Belkin once again and asked if this was a known issue and if they have a newer revision of this product that is more reliable. nike air force 1 foam I give FIVE STARS! extremely soft breathable relatively thin 100 percent cotton. Shes not as fussy as I am about the "fi" in hi-fi, and thought they were pretty good. nike air force 1 foam If there is a time that instructions could have benefited from words and pictures, it is with this device. This does not happen all the time, but when it does it is terribly annoying.
nike air force 1 foam