This reflective vest with high visibility can keep you safe and reduce risks of accident at night. It is a perfect safety gear for cycling, running, walking, jogging, construction and many more activities.Specifications:Material: MeshLED Quantity: No LED / 1 LED / 2 LEDs (optional)Size: M 61;Waist 28.3 34; - 38.6 34; / L 61;Waist 31.5 34; - 41.3 34; (optional)Item Weight: 70g - 110g / 2.5oz - 3.9ozSize Details:SizeWaistLengthM 72 - 98cm / 28.3 - 38.6in 47cm / 18.5inL 80 - 105cm / 31.5 - 41.3in 50cm / 19.7inNotes:1. This clothing size information is just for reference only. Please check the above detailed measurement to choose the correct size, and allow 1 - 3cm (0.4 - 1.2 34;) differences due to manual measurement, thanks.2. Item color displayed in pictures may be showing slightly different on your computer monitor since monitors are not calibrated same.Package List:1 * Reflective Vest