Wool Felt Breton Cap Fiddler Captain's Cap Greek Mariner Barge Sailor Hat UK Mariner cap is hand made using Melton wool fabric. (70% Wool, 30% Polyester) It offers exceptional value for money. The hat has a luxury quilted satin lining made from 100% Polyester Suitable for all seasons Great for that Fisherman, Sailor, The Beatles, John Lennon, Captain, Barge, Greek, the 80s, 90s, Marine Please measure or know your hat size before ordering to get the best fit..! Thank you for viewing : )