Hi Vis Vests lose their effectiveness when dirty or faded. Check vests regularly to ensure they are clean and bright. Reflective strips should be in excellent condition and not worn out or peeling. Our vests are compliance with New Zealand Standards AS/NZS. Day/Night for use in day, night, dawn, dusk, and in poor weather conditions where there is illumination from headlights. We offer great deals for your next vest purchase.