Made of multi-functional fabric, it has multiple functions of high brightness, flame retardant, elastic and antistatic. Reflective strips on the chest, waist and arms for improved visibility in dark and low visibility conditions. The molykote fabric makes it flame retardant, reducing the protection of the wearer from flame damage. Add stretch fabric for added comfort and more freedom on the job.stylish high-visibility jacketHigh neckline. Double stitched at shoulders, sleeves and sides for added durability. Storm flap and concealed snap-stud closure. Breast and side pockets with flaps to keep sparks out. Concealed key ring clip and ID pocket strap, inside phone pocket, and ergonomic sleeves allow for freedom of movement. The cuffs can be adjusted for tightness. The bottom of the overalls is black, which is more stain-resistant.