It’s all about the vibe you want. Traditional polyurethane foam and fiberglass with polyester resin (PU/PE) is the classic feel—flexy and responsive. EPS foam with epoxy resin is lighter, stronger, and floats better, which is awesome for smaller waves or if you’re just getting your feet wet. Epoxy boards can feel a bit stiffer, but they’re crazy durable. Then you’ve got soft-tops (foamies) for total beginners. Each combo changes how the board paddles, turns, and feels under your feet.