This throne moves forward easily taking strain off back, and its cycle seat design reduces leg fatigue. Seat is upholstered with high-grade velour to let your body breathe. Five-point base provides extra stability. Has a five-spring control box for smooth limited motion. Seat height: 18" to 24".Moves forward easily to reduce back strain Cycle-seat design reduces leg fatigue High-grade velour upholstery Five-point base provides extra stability Five-spring control box provides smooth, limited motion Seat adjusts from 18" to 24"