Upper mesh and lower solid polyester material5-point breakawayTwo 1″ wide high performance reflective material with 4 1/2″ lime contrast4-season adjustability allows for accurate sizing in any weather, even over bulky coatsConvenient left chest mic tab holderLeft chest pencil/pocketInside large lower patch 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.