HON Nucleus Series Work Chair, ilira-Stretch M4 Back, Supports 300 lb, 17" to 21.5" Seat Height, Espresso Seat, Black Back/Base

Standout features: made of durable, commercial-grade fabric.features an adjustable armrest with a polyurethane arm pad.equipped with a class 3 gas lift.when comfort is a priority during the workday, consider the multifunction fabric task chair. designed to provide ergonomic support, this task chair features a multifunction mechanism that allows independent seat and back tilt adjustments. the 5-legged base is supported by 5 heavy duty 50mm nylon casters for convenient maneuverability. plus, the seat adjusts from 16-1/2"h to 20-1/4"h for optimal positioning. bifma and cal117 certified. limited lifetime warranty. black frame with gray fabric.back type: mid-back.maximum weight capacity: 250 lbs.assembly required.