Seat is one of the key elements of an office chair. The high-quality BIMFA certificated gas lift ensures the safety and the wire control mechanism makes the controller centralized and good-looking. The controllers are located just by the sides of the seat, you can easily reach them and adjust the chair without bending over and major force. Adjustable headrest & backrest & armrests & seat depth which are the keys to make the chair ergonomic, comfortable and useful. This task chair loads up to 350 lbs. Highly elastic breathable premium mesh provides strong stability, good elasticity, and great heat dissipation. Mute wheels help to noise reduction when the chair is moving. Full aluminum alloy frame ensures long-time endurance and elegant & bright design. If you’re always frustrated to find a ergonomic task chair, OdinLake Ergo PLUS 743 high back office chair with wire control mechanism is the choice for you! Frame Color: Black