Design: The hat may feature a four-leaf clover or shamrock pattern either printed, embroidered, or appliqud onto the fabric. Color: It often comes in shades of green, as green is the primary color associated with St. Patrick's Day. Style: Common styles include baseball caps, bucket hats, top hats, or novelty hats with clover-themed decorations. Materials: These hats can be made from various materials like fabric, felt, foam, or other lightweight and comfortable materials suitable for wearing during celebrations. Accessories: Some hats may include additional St. Patrick's Day elements such as ribbons, bells, or other festive ornaments.