The Mainstays Ergonomic Mesh Back Office Chair is the perfect chair to get you through your workday. The chair back features a breathable mesh fabric and lower lumbar support panel. The nylon panel contours to your lower back providing a nice lower lumbar support and helping improve posture. Nylon armrests are ergonomically positioned for additional arm support while you type or work. The seat is generously padded with high-density foam that contours to your body and creates a luxurious seating