Item #: 809305 This is an authentic HERMES Serena Cap size 57 in Black. This fabulous classic hat is made of 100% cashmere lining, 65% Viscose, 35%silk inside trim, 56% cotton, and 44% viscose. Follow this item for alerts. Hermes is a registered trademark of Hermes. FASHIONPHILE is not affiliated with Hermes.