- Scroll Wheel: (B+) Light to moderate force for middle click. Su diseño y tamaño Really comfortable and great design and style. Okay, So I do use Vick?s vaporub to make me sweat and then I also wrap my self up with plastic food wrap then i put this product on last and again as you can see it?s only been 2 months and a half. After a few minutes you are completely immersed in that reality and it is the coolest thing to be sitting in the prep room of the star ship planning the missions and hanging out with your friends. I did not wear them exhaustively but noticed a lot of wear to the heels of the soles (and I am not heavy on my feet). When you really look at them, its obvious that these are made of rubber. I bought 5 pair of shoes and these are the only one that I won?t return. Thee is a possible issue there though. Bought these for my 2 year old and GAVE HIM TERRIBLE BLISTERS!