Port Authority Zephyr 1/2-Zip Pullover. J343. This Zephyr style merges wind- and water-resisting performance with a silky smooth hand. This unlined piece is easy to wear over base or thermal layers. Modern sleek details offer instant appeal at a very appealing price., 100% polyester shell, Zip-through cadet collar with chin guard, Set-in sleeves, Elastic binding at cuffs, Left side seam zipper for easy on/off, Open hem with adjustable locking drawcord