Opt4’s simple, refined style and four material options enhance design versatility. * Choose from mesh/mesh, mesh/poly, poly/mesh, and poly/poly seats and backs. With mesh seats and backs offer cooling ventilation as well as supple seating surfaces that conform to body shapes for tailored comfort. * Available in three classic seat/back colors: black, stone grey, and white; as well as 34 frame color options (including chrome). * Offers significant comfort with a waterfall front seat edge that eases pressure points. * Minimum 20% recycled material content.