Blue fabric XL high back task ergonomic chair with arms, thoracic support, grade 1. All BodyBilt Extra-Tall chairs provide exceptional comfort with upper and low back support. 10-Point Posture Control adjustability puts at your command the tools to address and alleviate stressful aches and pains so often escalated by inferior chairs. The slightly contoured seat on this model is one of our most popular designs. With passive weight distribution via surface contact this model encourages proper-seated posture and cushions the high-pressure points that lead to discomfort on flat seat designs. For special needs, an array of optional features is offered to address almost every seated task in the office. The J style mechanism rocks from a center-pivot point under the seat, and allows for the backrest depth adjustment feature. A unique solution to the seating problems faced by users of above average height and weight is BodyBilt’s Stretch Series seating. The J2509 Stretch High-Back chair was designed specifically for desktop intensive job performers. The #9 seat features a reinforced seat structure that is 22 percent larger than average and will accommodate workers above the 80 percentile. S'port foam in seat and back. Armrest height, articulation, angle and width adjustment. Black, non-upholstered arm pads (soft, 4" wide). #9 Seat (23" depth x 23" width). Steel-reinforced seat structure. Seat height adjustment (5.5" range). Seat tilt adjustment and tension control. Seat slider. 360 Degree swivel. J-style adjustment mechanism (seat pivots from the center of mechanism). Black 27" five-star base. Hooded carpet casters.