With the durability of a solid knit vest but the lightweight wear of a mesh vest, this vest is ideal. Features a solid knit front with reinforced pockets, and a mesh back designed to keep the wearer cool. 2″ silver reflective tape with contrasting trim add an additional layer of visibility. This vest has 4 outside pockets and two inside pockets and mic tabs on both shoulders. ANSI-ISEA 107-2010 Certified. Mesh is 100% Polyester.