The digital camo LensCoat for Nikon AF-S 180-400mm f/4E TC1.4 FL ED VR Lens is a sleeve for your lens that has a 100% closed-cell neoprene coat, offering protection from weather, bumps, jars, and nicks. It is an excellent option for sports shooters and photojournalists who are regularly subjected to less than optimal shooting and climate conditions. The digital camo LensCoat is an excellent cover when you're in the forest and need to disguise the lens from wildlife.