This men's hi vis Jacket is an EN ISO20471 class 3 compliant safety jacket which provides waterproof, windproof,comfort and high visibility among the Intensive crowd for safety duty, All the seams are taped with heat sealing technology to prevent the rain and wind going inside of the jacket.The front is with plastic zipper and the snap storm flap, this construction will stand you in good stead if a harsh wind pinion you between cold and colder.