easyCover Lens Oak in the color brown camouflage, specifically designed for your Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary. The Lens Oak protects your lens against bumps and scratches while it remains fully functional. 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! Also available in the colors black, forest camouflage and green camouflage.