Lilly Pulitzer Cosmos Silk Top The CosmosTop is a sleeveless silk top in gorgeous prints. We love this top with white denim and wedges.Round neck100% silk.Dry clean. Size Measurements (Laying Flat): Size S: From armpit to armpit: 18" Size M: From armpit to armpit: 19.25" 100% Authentic or your money back! Thank you for shopping @Beauteous_zone!