Specifically designed for your Nikkor Z 180-600mm f/5.6-6.3 VR The Lens Oak protects your lens against bumps and scratches. It is made of Neoprene material: soft from the inside and water resistant on the outside. Easy to install and it keeps your lens as new.Available in 5 colors: Green camouflage , Brown camouflage , Black, True Timber HTC camouflage and True Timber Kanati camouflage.