Office Star Professional Deluxe Mesh Back Office Chair with Headrest, Black: * Style: modern * Pneumatic seat height adjustment * Infinite locking 2-to-1 synchro knee tilt control * Thick, padded contour mesh seat and deluxe breathable mesh back with adjustable lumbar support * Height and depth adjustable headrest * Height adjustable arms with PU pads * Heavy-duty gunmetal finish base with oversized dual-wheel carpet casters * Material content: breathable mesh and metal * Includes warranty * Some assembly required * Dimensions: 27"W x 27"D x 55"H * Model# 25004