High Visibility Long Sleeve Shirt, Gender Unisex, ANSI Class 1, Shirt Style Shirt, Material Polyester/Cotton, Number of Outside Pockets 1, Color Navy, Size M, Standards ANSI/ISEA 107-2015 Type O, Class 1, CSA Z96-15 Class 1 Level 2, Sleeve Type Long, Maximum Chest Size 101 1/2 in, ANSI Type O.