8.5 oz./yd², polyester fleece; Black high quality heavyweight polyester sweatshirt material; Black ribbed-knit cuffs; 2" wide breathable reflective material with 3 1/2" lime contrast; Zipper front closure; Lower outside slash pockets; Black/Lime (B310), Royal Blue/Lime (B312), Red/Lime (B313); ANSI/ISEA 107 2015 / ANSI/ISEA 107 2020 Type O | Class 1; Fabric dye lot variances may occur and meet luminance factor as stated in the standard.; Shown in the product video the B310-313 zips into the B300-303, the enhanced visibility jacket B300-303 is sold separately; ; ;