1.The Best Reflective Capability:The high visibility vest has two silver reflective strips,It widens the reflective width,It offer twice the amount of reflectiveness,strongly enhance your safety and chance of being seen by traffic.whilst,running,walking,cycling,motorcycling 2.Adjustable & Comfortable:suspenders can be adjustable for most human size(men,women,as well as teenagers or older kids)and Your current choice is Close fitting styleEspecially suitable for walk dog Running or cycling in summer etc .Fully size adjustable in the waist and shoulders,so it doesn't chafe;It made of top-quality elastic materials.comfortable to use and so lightweight you won't even feel it's on you. 3.Muti-Purpose:After wearing reflective running gear,you can safely do various outdoor sports,such as running,walking,jogging,cycling,Walk a dog,or traffic work and so on,and This is also a high visibility construction vest which is beautiful and durable for men and women.Please pay attention to the size selection,if you are big guy, we suggest you choose Color-Xxl yellow 4.Elastic Belt :our vest are made of the highest level of thickened fabric,which directly improves its quality, elasticity and durability;after a period of use,ours are still stable! 5.Adjustable Buckle : Large size adjustment range, can be used by adults and children