TR Industrial TR55-3M-XXXL Class 2 3M Safety Vest with Pockets and Zipper, XXX-Large 100% Polyester Premium lightweight polyester and breathable mesh sides for better air circulation and fast drying 3M Scotchlite bands on front and back reflect light back to the source for high visibility Chromaticity, color, luminance and brightness are ANSI/ISEA 107-2004 compliant Premium zippers by YKK, the highest quality Conveniently includes 4 front pockets, 2 flagging tape grommets, 2 internal pockets and 2 mic tabs