DESIGN & DETAILS: The GoSports X5 is a premium kickboard with five hand placement options The X5 is great for improving kicking techniques, practice swimming drills, and isolating different muscles for exercise The kickboard is made from thick HDPE material that withstands long-term use and is stronger than foam board alternatives Unlike cheaper foam kickboards that warp over time, the X5 fts hard polymer build retains its shape even after extended use and sun exposure We recommend using the kickboard with a certified swim instructor for optimal performance and safety