Leaf, ensures your back to get the perfect care, and the spine to breathe through the active backrest. According to spine structure of humanbody, we combine the ergonmics and physical therapy to provide a solution -- Leaf. Every piece of the back can attach to the users' body perfectly and provide a proper support. Leaf can fit to your every posture for working environment and also maximizes the freedom of body strech to relieve the pressure on the lumbar, lower back and spine. Our purpose is reducing the burden while sitting on the chair for a long time. By bringing you "the light experience as a leaf", we realize the concept of healthy chair for any office surroundings. The comfort curve of the mold foam helps the blood circulation and provide more oxygen to the leg muscle. Leaf is not only an offcie chair, but also an ergonomic solution.