Pyramex RVZ2110M Lumen X Class 2 Safety Vest with Zipper, Medium, Hi-Vis Lime Meets American National Standard for High Visibility Safety Apparel: ANSI /ISEA 107 - 2010 / Class 2 Level 2 Hi Vis lightweight polyester mesh material ANSI Compliant 2 inch silver reflective material around bottom and over shoulders Zipper front closure Chest pocket with hook and loop closure; Deep and wide inside pocket