Pyramex RVZ3110M Lumen X Class 3 Safety Vest, Medium, Hi-Vis Lime Meets American National Standard for High Visibility Safety Apparel: ANSI /ISEA 107 - 2010 / Class 3 Level 3 Lightweight polyester mesh material for breathability Class 3 ANSI Compliant 2 inch silver reflective material over shoulder, around sleeves, double strips around waist Zipper front closure 5 pockets (3 outside, 2 inside)