Port Authority Challenger Jacket. J754 Teklon Nylon Shell Zipper closure A long-time favorite, the Challenger&#153; has a traditional design and a durable, water-resistant Teklon&#174; nylon outer shell to keep you warm and dry. With plenty of color choices and styles, this rugged, durable jacket has a heavyweight fleece lining and it's our time-tested top performer. Teklon&#174; nylon outer shell Vislon zipper Poly-filled body with heavyweight fleece lining for extra warmth Poly-filled sleeves with polyester lining