Made with 88% premium cotton material with 12% high-tenacity nylonPremium Startech® reflective tape provides maximum visibility even in low lit conditionsHook & loop front closure is secure and can be undone with easeLightweight design for improved wearer comfortIncludes a cellphone pocket, radiophone clip strap, and D-ring access slotFlame resistance is guaranteed by the manufacturer for the life of the garmentIdeal for oil and gas, electrical industries, and work areas where flames and electrical arcs are prevalent