Orthosomatic has something to do with proper posture and this is what a mattresses from Cocomat promotes.

The Atlas Orthosomatic mattress is composed of five layers of softness, which is why it may be considered one of the best mattresses in the market. The layers are made up natural rubber sheet, cocofiber and seaweed. This mattress is metal free and is wrapped with a zipped quilted cotton cover that may be easily washed.