The new versatile Challenger Vest has spandex-trimmed armholes and hem for long-wearing durability. | Teklon®. nylon shell Poly-filled body with heavyweight fleece lining for extra warmth Double-needle stitching throughout Hidden zippered chest pocket Slash zippered pockets, interior zippered pocket Port Pockets™. for easy embroidery access Open hem Due to a Tyvek ®. inner lining, a silk screen or heat transfer treatment is not recommended for Goldenrod/True Black.