Blue EMS High Visibility Oxford Rescue Vest - High Visibility Durable Oxford Polyester Cloth. 2" Grey Reflective Tape. 2 Large Zippered Cargo Pockets. Breast Pockets with ID Holder. Nylon Zipper. 3 Adjusters on Each Side To Fit All Sizes. One horizontal reflective stripe on the back. Emergency Medical Technician (EMT) Vest, Emergency Medical Service (EMS) Vest.