Camo Neoprene Cover.
Lenscoat part number LC300NISM4.
The realtree max4 HD Lens Cover for Canon 300mm Non IS f/2.8 Lens from LensCoat covers the lens with a 100% closed-cell neoprene coat, offering protection from bumps, jars and nicks. This coat will allow you to blend in with your surroundings. It is ideal for nature, outdoor photographers, sports shooters and photojournalists. There is also a small red orientation hole that is visible to help you mount the lens while the cover is being used.
A LensCoat Lens Cover also provides a thermal barrier, protecting your hands from cold lenses in lower temperatures. It is easy to install and remove, leaving no residue on the lens. LensCoat Lens Covers are waterproof, providing protection in harsh conditions. The Realtree Advantage Max4 HD camouflage pattern offers maximum effectiveness in open terrain. The pattern incorporates cattails, millet, milo, corn stalks, sunflowers, oak and maple leaves, cedar and oak limbs, plus a variety of other plant life into the largest camouflage artwork on the market.