This orange/red unisex high visibility vest comes in size XXXX-large. This vest has a chest size of 51 - 58 inches and vest length of 29 inches. It is made of 150 denier polyester twill, has brass snaps, mesh side vents, green/silver reflective chest straps, and is not flame resistant. ANSI/ISEA 107-2015 Type R Class 2 approved.