8.55 oz./yd (290gsm), High quality polyester sweatshirt materialBlack and lime rib knit cuffs2 wide high performance breathable reflective materialBlack accents add contrast, style and durabilityReflective piping accents add better visibility in low light conditionsHood is lined with soft jersey mesh for optimum comfortLower outside slash pocketsDesigned to zip into B300 & JS135 jackets for added warmth (sold separately)ANSI/ISEA 107 2015 / ANSI/ISEA 107 2020 Type R | Class 3Fabric dye lot variances may occur and meet luminance factor as statedin the standard.