The reflective Vest have a wide reflective surface and they can be seen from a distance in any weather condition.super-bright 3M reflective stripe ,360 degree reflectivity and visibility in any weather condition at any time with this reflective straps ,Highly reflective, be seen by motorists over 700 feet away ,This can be used 24/7 365 days a year. The reflective vest is good elastic , one size fits most , can be wear above clothing. High quality adjustable buckle , more durable and long life time.