The features: 1. Easy adjusting, super smooth, low profile suspension features a 3″ stroke to even out the roughest jolts and shakes. 2. Asymmetrical shape of the backrest provides more elbow room on the right-hand side of the seat and full support on the left hand side. This makes driving backward much more comfortable 3. Backrest angle adjustment: +45º (forward) to -30º (recline) 4. Adjustable lumbar support. Great for sensitive lower backs. 5. Heavy duty slide rails with 8.25″ range 6. Supports operators up to 375 lbs.