100% ripstop nylon. 9 oz Thermakeeper interlining. 100% polyester polar fleece lining. Two reflective vertical stripes at the front. One reflective stripe at the waist. Two reflective stripes at the back that make an “X”. One reflective stripe on each arm. Double sewing on the yellow band. Long sleeves. Slash pockets on both sides of the jacket. Two inside pockets at the waist. Plastic zipper front closure. Elastic collar and hand cuffs. Reinforced at all points of strain.