Reflectors alone are not sufficient. North Carolina law 20-129. All states require lights at night. Most require white in front and red in back. Be Seen During Daylight.
Bright clothing catches people's attention during daylight.
But the best way to be seen is to be in the scene, in drivers' line of sight. Use Protective Clothing and Gear. Slathering sunscreen shields you from photons. I. Help for Harassment. The best course of action when you're harassed is to first take a deep breath and calmly decide whether you were actually purposefully mistreated or whether your perceptions could have misled you.