Contoured seat cushion has technological design to distribute body weight, and enhance sitting comfort. Lumbar support pillow for office chair is ideal for prolonged working hours. The pillow seat cushion encourages proper alignment of tailbone, sitting bones, and thighs to reduce pressure on single point. Pillow seat cushion can be unzipped and has removable front to adjust with narrow or broad furniture. Orthopedic cushion for sitting has integrated foam cushioning for ergonomic sitting. The seat cushion is lightweight, portable, and breathable for durable use. Ergonomic seat cushion for hip pain can be customized for office, home, car, and wheelchair.