Start him right - double protection all the time, every time. Here's a link - follow the appropriate links for child sized stuff; just make sure you get the ones for shooting, not swimming. You can cut the foam ones in half if they're too big or get moldable plugs. Remington and others make smaller muffs specifically for women and kids. There are also smaller sized glasses out there. Insist on both forms - I've had kids tell me their ears didn't hurt when mine would if I wore my PPE like they were wearing theirs.