super mattress shop in trichy growell beds and furnitures trichy A reversible HR foam mattress is a type of mattress constructed with high resilience (HR) foam that can be used on both sides. This type of mattress typically offers a firm sleeping surface and is designed to provide support and comfort for sleepers. The reversible feature allows users to flip the mattress periodically, which can help extend its lifespan by distributing wear and tear more evenly.HR foam, also known as high-resilience foam, is a type of polyurethane foam that is more durable and supportive than traditional polyurethane foam. It is known for its ability to bounce back to its original shape after being compressed, which helps to maintain the mattress's firmness and support over time.