The X-Project from X-Chair offers many of the incredible features and the unique styling you would expect from an industry leader, with value never before seen in the X-Chair lineup! Utilizing Advanced Tensile Recovery™ (ATR) fabric, a three-dimensional multilayered knit polymer that is both forgiving and supportive, the X-Project combines a sophisticated look and satisfying sit unparalleled by any other chair in its class. Carrying our remarkable fifteen (15) year warranty, and equipped with key ergonomic features to fit the majority of users, including a height-adjustable back and an STS seat slide mechanism. And, as with other models, the X-Project comes with or without a headrest. X-Project is an excellent solution for outfitting an entire workspace or office on a budget.