Among the most popular of our office chairs, Steelcase Series 1 delivers on what’s most important to you. Best-in-class ergonomics, comfort and Steelcase quality, together in a sustainable office chair with a range of finish choices.Specifications: LiveBack™ allows the chair back to change shape and mimics the user’s spine as it moves throughout the day. Contours to fit the user’s spine through a system of flexors tucked neatly inside the backrest, offering continuous lower-back support as you move in your chair. 4D armrests move in height, width, depth, and pivot to better support the user’s neck and shoulders. The cantilevered arm design encourages postural change. Seat depth supports different leg lengths for long term comfort by sliding forward or backward. Adaptive bolstering enables the seat to conform to the user’s shape, providing dynamic support that can adapt to the body as postures change. Benefits: The Steelcase Series 1 office chair features LiveBack™ technology, 4D armrests, seat depth and adaptive bolstering. Manufactured by Steelcase in Sarrebourg, France, after placing your order, it ships with easy assembly in 4 parts, free of charge. 91.9% recyclable by total weight, with lifetime warranty on structure, 12 years on mechanisms, 5 years on fabrics. Good Design Award Winner 2018