Replying to Protection.

So, I'm gonna be filming some edits in the summer with slush conditions, due to it being summer and what not. I was wondering what most of you guys rocked with your camera to help keep it safe? Is a filter the best bet (clear or ND)? Should I buy a cage for my camera to make extra safe?
Usually I just rock it raw. But I never have it with me the whole day. I'm gonna be having it with me the whole day everyday so wanna make sure the camera is solid. This is all for a A7sii

Any input helps. Thanks.