Mesh Back Velox Orange Ergonomic Design Ergonomically designed, excellent lumbar support, and easy airflow mesh back. The VELOX ORANGE Mesh back-office task chair. This chair features a high-quality Korean-grade no sweat and breathable orange mesh back, which is suitable for users who are more susceptible to warmer and humid days. The sleek and chic design of this chair can fit perfectly in any environment, from your work-from-home desk to your child's study room.