Cotton Clothing is chemically-treated to be flame resistant even after repeated washing. Clothing is intended for protection against sparks and open flames during welding foundry and steel fabricating operations. Garments are constructed of breathable 9.5 ounce Proban /FR-7A 100 percent cotton fabric for a comfortable fit. Jacket measures 30"L and features a generous cut snap front closure and adjustable snaps at the wrists.