Lumbar Support - Ergon. The MOMO Ergon Carbon Lumbar Support is built to improve your comfort when driving by providing additional support in your car seat. The MOMO Ergon Carbon Lumbar Support is produced in black eco-leather, with a perforated surface to provide maximum breathability and memory foam technology for the ultimate comfort. The universal size allows for quick and easy fitment to a broad selection of vehicles. This model includes black carbon-look inserts on the front and sides, plus it is finished with the iconic yellow MOMO arrow logo.