Every Airhawk seat pan is built on the patented IST (Independent Suspension Technology) from Danny Gray Custom Motorcycle Seats. Patented Air Cell Technology eliminates hot spots, pressure points, and fatigue associated with riding. Seats ergonomically distribute weight. Sculpted to center rider in the seat instead of pushing them into the tank. Seats maintain narrow leg passage with comfort. Air seat material is a breathable, water-repellent Space Mesh for ultimate comfort.