White front LEDs and red rear LEDs – help you stand out when cycling, running or walking in low light and darkness, with three light modes: flash, fast flash and constant. Lightweight and breathable – comfortable, high-quality materials keep bulk to a minimum while allowing you to move freely. Fully adjustable fit – elastic straps and adjustable buckles provide a comfortable fit over your clothing for a wide range of body sizes. Quick-release clips – make the vest easy to put on and take off. 360° reflective detailing – reflective logos and trims help enhance your visibility from multiple angles when illuminated by headlights. Batteries included – supplied with two CR2032 button batteries, one for the front light and one for the rear, so you can get started straight away.