PortaBrace have a whole page dedicated for providing bags, cases, and covers, for the Sony FS7 Camera.
The RIG-FS7 is an ultra-light carrying case featuring dual-rigidity foam for maximum equipment protection. This rugged case is constructed using long-life materials including 1000-denier Cordura nylon and solid steel clip rings. Reversed zippers and a slip-not anti-skid waterproof bottom panel are used for increased water-resistancy and durability.
PortaBrace have the following all set for protecting your FS7 camera.
For more: PortaBrace.