Ultra-Cool™ 100% polyester mesh; 4” hook-and-loop closure; 2” wide high performance reflective material; Left chest mic tab; Outside right chest 2-tier pencil pocket; Outside left chest patch pocket (Size small left chest pocket is on the inside of the vertical tape); Two large lower inside patch pockets ; ANSI/ISEA 107 2015 / ANSI/ISEA 107 2020 Type R | Class 2Fabric dye lot variances may occur and meet luminance factor as stated in the standard.;