coir mattress stores near me growell beds and furnitures trichy Coir foam mattresses, also known as coir mattresses or coconut coir mattresses, combine natural coir fibers extracted from coconut husks with foam layers. Here are some key points about coir foam mattresses Coir mattresses typically have a core made of coconut coir fibers. These fibers are natural, biodegradable, and known for their durability and ventilation properties