Global Formal Shoes Market Size, Share Demand Report By Product Type (Oxfords, Derbies, Loafers, Monk Straps, Brogues, Slip-Ons), By Material (Leather, Synthetic, Canvas, Combination/Hybrid), By End-User (Men, Women), By Distribution Channel (Offline Retail Stores, Online Platforms, Brand-Owned Outlets, Department Stores, Specialty Footwear Retailers), By Region & Segment Forecasts, 2025–2030