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).