Love em - keep the stuff I don't use all the time in there - tents tarp, soft things that would aid in a tipover. Have mesh pockets for water bottle and lemon drops - mount the radar detector on top. You might want to check their site, but I know I sprayed them and I believe I have covers but have never used them. They work really well as wind protection too. I like these better than the goofy looking ones from aerostich.