LensCoat Lens Cover for Canon 400 mm DO is II Camouflage Neoprene Camera Lens Protection (Realtree Max4 HD) Protection from bumps, dings, nicks, and the elements like water, sand, dust etc. Camouflage patterns help conceal by breaking up the shape of the lens Neoprene acts as a thermal barrier protecting hands from hot and cold Slides on like a sleeve Made in the USA