Sol is comprised of components that were selected to maximize use of recycled materials allowing a great impact indoors and less impact out. it's smart design and it aims to renew more than the working environment. And because nature takes no downtime, weve focused on a chair that helps supports individuals as well as the planet. Sols beautiful swooping back hugs a steel frame with sleek metal accents. It features a synchro-tilt mechanism with locking positions and tilt tension control. Height adjustable T-pad arms are also offered. Available in Black (BL), Gray (GR), Black Vinyl (BV) and Brown Vinyl (BR).