Ultra-Cool™ 100% polyester mesh; Zipper front closure; 2" wide high performance reflective material with 3" contrasting color for added daytime visibility; Elastic waist cinches to ensure a tailored fit; 4" slits at hip for mobility; Left and right chest mic tabs (size small only has a left chest mic tab); Two lower outside patch pockets wit flaps; Right chest 2-tier pencil pocket; Left chest radio pocket with flap; Two 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.;