It was easy to install great instructions, looks like they are factory install. Some of the outlet space is too narrow for multiple three prong plugs to be right next to each other. Gene Weingarten selected a day at random, Sunday, December 28, 1986, then wrote this book, reporting in depth on the stories he found that interested him the most, that took place on that day. I dont have a sweaty feet problem. Material is strong and withheld travel. So I am changing the rating from two stars to four. The head band is padded and I think this issue is more a user problem (I just need to figure out how to adjust them better). love that the case is a battery pack. Very pleased with this purchase. Ich konnte keinerlei Mängel, wie abgeplatzte Stellen oder unschöne Schweißnähte feststellen.