Span the divide between dressy and casual with this versatile v-neck sweater vest that pairs easily with slacks or jeans. Port Authority® Sweater Vest. SW286 is made of 60/40 cotton/nylon. In winter, it will hold the warmth for you. Rib knit v-neck, armholes and hem are the features for you. You can make sure the quality is nice and you will have three colors to choose.