easyCover Lens Oak in the color black, specifically designed for your Sigma 100-400mm f/5-6.3 DG DN OS Contemporary (with Sony E / Leica L mount). 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, brown camouflage, green camouflage, True Timber HTC Camouflage, and, True Timber Kanati Camouflage.
