Ergonomic Design: The "zero gravity" position evenly distributes weight to reduce pressure on the spine and body.
Adjustability: Features a lockable reclining system that allows for multiple angles, often up to 170°.
Portability: Lightweight and foldable, making it easy to store or transport for beach trips and camping.
Construction: Typically built with a durable steel frame and weather-resistant textilene or woven fabric.
Accessories: Most models include an adjustable headrest (pillow) and some come with additional features like cup holders or detachable trays.