Depends on what you mean by „active“.If you are active, they need to be waterproof.
On the boat, of course.
Other watersport activities: same.
Being outside in hail and storm: idem.
But otherwise, splashproof gets you very far.
I did a large part of my military service with my splashproof 1970s Trinovid 10x40 around my neck, and had them always on, irrespective of the conditions, so much so that the soldiers gave me the nickname „officier jumelles“ (French for „Binocular Officer“). The Trinovid never let me down, I still have it: