Explore the selection of Ergovea latex mattresses and mattress toppers for sale at Natural Mattress Company VT. Ergovea mattresses are made from organic rubber latex and cotton. Their mattresses pass all federal flame requirements naturally. Ergovea’s chemically safe FR solution is sand. They impregnate rayon/cotton blend fabric with natural silica. It’s so natural, it’s passed the GREENGUARD GOLD emissions test. This test considers safety factors to account for sensitive individuals.