Scott at LensCoat just keeps coming out with cool products to protect our gear. His latest gear, the TravelCoat is pretty cool. Its purpose is to protect your gear when packed in a case. I used the 200-400VR TC for example on our Alaska adventure when it was packed away in the Pelican Case. It did a great job and I can highly recommend it!
I actually like them better when used in a way they are not intended to be used. Bopping through the forest (you might walk, I bop), too many times ducking under a tree limb my lens or camera body gets hit. Well, the TravelCoat fits on the long glass when mounted on a tripod. It’s great protection for those times you just don’t duck low enough. I also used the TC for the 200-400VR as a rain coat in AK and it worked great. Considering the investment we have in our long glass, this is real cheap insurance they stay functional, and looking like new.