To complement lighter materials, we offer ribbed adjustable chair powder coat finishes on the base and frame, along with traditional polished aluminum. Ribbed adjustable chair with the 4-star base come with glides that are easy on any floorcovering, while ribbed adjustable chair with a 5-star base have a choice of casters for bare floors or carpeting.The foam cushions ofribbed adjustable chair will not flatten or clump over time.

1. Dark brown genuine leather.Heat embossed ribbing like the original - 3 times stronger than cheaper stitched ribbing.
2. Durable and comfortable leather seat cleans easily with a damp cloth.
3. Supportive polished aluminum or alloy aluminum frame with removable arm rests.
4. 5-star base with tilt-swivel mechanism, pneumatic gas seat-height adjustment, and tilt lock feature.Or fixed 4-star base with swivel.
5. Ultra fast 5 minute assembly.