The black Lens Cover for the Nikon AF-S 500mm f/5.6E PF ED VR Lens from LensCoat is a 100% closed-cell neoprene coat that protects the lens from bumps and scratches. It is useful for nature and outdoor photographers as well as sports shooters and photojournalists. It provides a thermal barrier, protecting your hands from cold lens surfaces in lower temperatures. The cover is waterproof, providing protection to the lens in wet conditions.