Improved safety with LED reflective running vest: This night running gear provides a brighter running vest than the previous generation. In addition to the reflective strip, we also advanced the running vest by designing incredible LED lights that can be seen from 1000 away. Rechargeable LED running lights: if the is dark and there is no light reflection, you do not need to worry, because our running lights for runners provide a front light and a safety tail light in the . Visibility of our LED vests is 10 times higher than that of reflective accessories, which keeps you can safe under any circumstances (rain, fog, dark). One size fits all: Adjustable waistlines 26 "- 48"; Adjustable lines 15 "- 27". The running vest with lights apply elastic belts and buckles to adjust the length. Slip the buckles to get a size suitable for everyone! Light weighted and easy to wear: only 155g. The runners vest is light, which is suitable for all ages. The light up vest with simple design is easy to use and thus is suitable for night walking. Even if you wear it for a long time, you will not feel burdensome. Happy wearing, free feeling. Parameter - Visibility of light up vest: 1000 . time: 50 minutes; Lighting time: 10-24 hours. Weight: 155g. Choose to keep you safe in running, cycling, walking, motorcycling riding and so on.