For the best quality Insist on a custom, American Made Mattress. Thin but mighty. The 5.5" Custom American Firm Mattress is available in many sizes. This mattress is classified as firm. But we call it a regular firm. This means it is not hard or extra firm like a rock, but firm enough for the average Joe. This mattress is made from foam but does not contain any pesky memory foam. It will not get hot like memory foam and you don't sink into it like memory foam. The premium quality foam is designed to be firm and supportive. It is more solid than most mattresses on the market today. This mattress features a nice breathable knit cover with a grey patterned border. The cover is specially made to be more durable on the sides in case it fits down into a cavity. Made in the USA! Additional Details ------------------------------ Product description: For the best quality Insist on a custom, American Made Mattress. Thin but mighty. The 5.5" Custom American Firm Mattress is available in many sizes. This mattress is classified as firm. But we call it a regular firm. This means it is not hard or extra firm like a rock, but firm enough for the average Joe. This mattress is made from foam but does not contain any pesky memory foam. It will not get hot like memory foam and you don't sink into it like memory foam. The premium quality foam is designed to be firm and supportive. It is more solid than most mattresses on the market today. This mattress features a nice breathable knit cover with a grey patterned border. The cover is specially made to be more durable on the sides in case it fits down into a cavity. Made in the USA!