1. 360º HIGH REFLECTIVE & SUPER BRIGHT LED Shaiensaftey reflective vests can be seen up to 800 metres away. There are 3 flashing modes: steady on/fast flashing/slow flashing, choose your preferred mode according to your needs.The reflective tape with 360 degree visibility will maximise your safety! If you are running, walking or even riding alone all night, the super bright LED will keep you safe at night and during the day! 2. ADJUSTABLE WAIST CIRCUIT One size fits men, women and ren. Waist spread: 31 inches | 79 cm, shoulder to waist: 19.3 inches | 49 cm. So there will be no chafing. Protect your personal safety when walking, jogging, running, walking the dog, directing traffic, working on construction sites. 3. LARGE POCKETS AT THE FRONT LED Running Vest with TC Bright Silver Reflective Fabric can be easily worn over any type of clothing for all seasons. Breathable mesh fabric for a soft and comfortable feel. Large front zip pocket for storing mobile phone, keys, cards and other items. 4. USB CHARGING light time X hours / charging time X hours. The USB cable is included, so there is no need to constantly buy new batteries. 4 lights in the front and 4 lights in the back, The Light Button On The Front Is Easy To Reach, Even While Wearing, If You Need To Turn It Off Or Want To Change Between Three Glowing Modes, It's Simple To Do On The Fly.