100% Cotton Size: One size elastic/ fits size Medium Head measurement: 56cm, 22, Size 7 to 57cm, 22-3/8, Size 7-1/8 Brim: 2 Height: 4 Occasion: Iconic Greek Fisherman’s Chauffeur Cabbie Driver Golf Flat Cap Hat Cap. Perfect for a day in sun, everyday wear, a day or night out on the town, sailing, outdoor picnics, derby, boating all outdoor activities for sun protection. Formal attire, wedding, cocktail party, church and religious gatherings. Fiddler on roof performance. Kentucky Derby, horse races, charity events. Perfect for vacation and cruise attire. Will compliment any outfit.