Alday offers a different kind of seating experience to meet a vast variety of users. The difference is in the design. Alday was designed as an extensive use task chair, rated for 500 lbs. and 24/7 use. The ample supportive cushioning in the seat and back deliver ergonomic shaping to fit a variety of body types while providing all day comfort. The durable plastic ergo core back and reinforced mechanism with back tilt adds even more comfort and overall strength. Alday is also available with height adjustable/width adjustable arms Model 3399BL (sold separately).