Port Authority® - Ladies Flatback Rib Full Zip Jacket Take the luxurious look and feel of this style beyond the weekend. It mixes effortlessly with casual and business attire alike. The flatback rib has a rich, subtle texture and we finished it off with impeccable details making it perfect for a resort escape or around the office. 10-ounce, 85/15 cotton/polyester flatback rib, gently contoured silhouette, twill-trimmed neck seam, princess cut, dyed-to-match zipper, open hem and cuffs. See RF221 for men.