Global Luxury Hats Market Size, Share & Demand Report By Product Type (Formal Hats, Casual Luxury Hats, Seasonal Hats, Designer & Couture Hats), By Material (Natural Premium Materials, Luxury Fabrics, Sustainable Materials), By Distribution Channel (Offline Retail, Online Retail), By End-Use (Fashion & Lifestyle, Events & Ceremonies, Travel & Leisure, Cultural & Traditional Use), By Region & Segment Forecasts, 2026–2031