The main difference between the Organica Medium and Organica Plush mattresses lies in their firmness and construction: Organica Medium: This mattress has a medium firmness level (6/10) and is 13 inches in height. It is ideal for all sleep positions and provides balanced support with a total of 3 inches of natural Talalay latex layers. Organica Plush: This mattress has a plush firmness level (4/10) and is 16 inches in height. It is designed for side sleepers, back sleepers, and those who prefer a softer feel. It features an additional 3-inch natural latex topper for extra softness, making it the softer and taller option.