Contains all of the features of the Avenir™ SAS, but with a more compact, low profile, sporty styling. It's ideal for smaller cockpits or any application in which size and boater comfort are important. Shock Absorbing System (SAS). Marine grade vinyl upholstery is UV stable and weather resistant. Seat shell and molded foam work together to provide ergonomic comfort and spinal support. Flip up bolster in down position creates rounded edge in front of seat. Bolster up provides elevated seating (7") for improved visibility when docking or maneuvering; also great for fishing. Arm contour supports arm in a natural, comfortable position.