Teagan Sweater Vest Twofer Top with Peter Pan Collar and Ruffled Hem, Contrast Poplin with Sweater Mix. We LOVE the Details of this Perfect Fitted Textured Sweater Vest in Natural, with a Pop of Contrast with the White Poplin Ruffled Rounded Collar, Puff Short Sleeve, and Long Ruffled Poplin Bottom Hem for that Perfectly Layered Look...It's Two in One! Self: 100% Cotton, Sweater Contrast: 60% Cotton, 40% Acrylic, Natural/White, Available in Small, Medium, and Large.