Color:Black EUROTECH Ergohuman Mesh Chairs feature eight ergonomic adjustments for maximum comfort all day. Breathable mesh seat and back promote air circulation and offer increased support. Adjustability includes: tilt tension control, tilt lock, back angle, back height, synchro tilt, seat height, seat depth, and arm height. Chrome/polypropylene base with nylon casters. Made of 97% recyclable components. Greenguard indoor air quality certified. Meets or exceeds ANSI/BIFMA standards.