Features: 1.Reflective and high visibility allows you to be seen in poor lighting conditions, greatly enhanced your running or cycling safety at night 2.Fully adjustable and elastic strap to fit over any sports clothing and accommodate different body sizes, allowing for full range of motion 3.Ultra lightweight and wide straps, do not add any wearing burden, provides superior comfort and larger reflective surface 4.Quick lock and release buckle to fasten the vest easily, will not move around when doing sports 5.Stay safe with this reflective vest in night cycling, running, walking, jogging, and other outdoor activities Specification: Description: This running vest is highly reflective and visible at night. It can enhance your safety in nighttime outdoor activities, perfect for night cycling, running, walking, jogging, etc. Features: Reflective and high visibility allows you to be seen in poor lighting conditions, greatly enhanced your running or cycling safety at night. Fully adjustable and elastic strap to fit over any sports clothing and accommodate different body sizes, allowing for full range of motion. Ultra lightweight and wide straps, do not add any wearing burden, provides superior comfort and larger reflective surface. Unisex and suitable for all seasons, hollowed out design, sweat resistant. Quick lock and release buckle to fasten the vest easily, will not move around when doing sports. Stay safe with this reflective vest in night cycling, running, walking, jogging, and other outdoor activities. Specifications: Condition: 100% brand new Material: nylon Color: green / orange (optional) Length: 38-55cm / 15" - 21.7" Waist: 70-98cm / 27.6" - 38.6" Strap Width: 4cm / 1.6" Package Weight: approx.120g Package List: 1 * Reflective Vest Note: Please allow 0.2 inch error due to manual measurement, thanks for your understanding. PackageList: