A basic design. A simple, robust and studied ergonomic chair. Absence of straight shapes but with smooth curves and great comfort provided by the soybean oil-based foams. Contained measures allows Ecko to achieve a small space for: resting, reading or talking. To all that we need to add the sustainability for both materials and production processes composing the Ecko. In addition this added value will gradually become a manufacturing standard. MATERIALS 1. Solid wood frame covered with HR 35 kg/m3 soybean oil foam. Suspension made with NEA elastic webbing with 10 year guarantee. 2. Seat and backrest cushion made with HR 35 kg/m3 soybean oil foam integra- ted in the frame. All covered with a sewed foam but nit glued of foamed silicone fibre. 3. Legs made in solid beech wood or metallic swivel base epoxy lacquered.