Materials: the hi vis vest is made of 100% polyester fabric and Hi-Vis reflective material; Durable, Breathable, Lightweight and Machine Washable High Visibility: This neon yellow reflective vest is high visibility with two-inch wide reflective strips cover the shoulders, chest, waist and back which provide 360 degree protection while we are working or sporting under daylight or low light conditions Multi-function Pockets Designed:This safety vest features multiple pockets for easy organization and access, offering great convenience.Enough space for various tools and equipment, such as mobile phone,flashlight,laser pointer,business card and other items Multiple Applications: Multiple Applications for Various Workers, such as Engineers, Surveyors, Warehouse Personnel, Renovation Professionals, Forestry & Rangers, Security Personnel, Airport Ground Crews, Crossing Safety Guard, Public Safety Officers, Parking Attendants; And Outdoor Sports as Cycling, Wildness Hiking, Park Walking, Jogging, Motor Riding and Volunteering Size:Please check the SIZE CHART carefully before ordering.