100% Ultra-Cool polyester meshPlasticzipper front closure2″ wide reflective materialReflective strip around arms for better visibility in low light conditionsCinched sides to ensure a perfect fitTwo lower patch slash pocketsInside lower left radio pocketANSI/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.