Flectson&trade; Reflective Vest/Belt Provides 360 Degree High Visibility for your Safety Outdoors: Running, Biking, Jogging etc. Neon yellow highly reflective fabric vest affords maximum visibility Pull-on and off wear with soft elastic fit  no buckles or Velcro to close SIZING: adjustable 28.5"-48" wide and 17"-22" long - Easily fits all sizes over any outdoor clothing  adjustable straps width and height Comfortable machine washable lightweight jersey fabric Motorcycle reflective vest, Great gift idea  no sizing information necessary