This Reflective Vest Straps is breathable design, made with soft and durable knitted fabric, it is so comfortable to wear with 4 adjustable buckles, you can adjust the waistline and shoulder to fit your body, almost one size fits most, for men,women and kids. This reflective straps is great for kinds of outdoor activities, offers 360°visibility, reflective material on the vest which makes you be seen 800 feets away by cars at any weather condition like dark, rain, fog ,to keep you safe all the time. It is also good choice for construction workers and policemen and anyone who works in dark.