MERONA Black Sparkly Button Down Cotton Long Sleeve Cardigan Sweater Medium. The measurements lying flat are the following: armpit to armpit 19" (with stretch) waist 18" (with stretch) length 24" sleeve 25". The material is 53% Cotton, 40% Rayon, 7% Nylon. This sweater is beautiful sparkles all over the front of the sweater. The solid black color and round neckline complement the long-sleeve design, making it a versatile addition to any wardrobe. The knit fabric is lightweight, perfect for layering during cooler months.