15" WIDE LAYBACK FULL CONTAINMENT SEATKIRKEYS ECONOMY CONTAINMENT SEAT IS DESIGNED FOR THE LOWER HORSE-POWERED RACER WHO WANTS THE ADDED SAFETY OF A CONTAINMENT SEAT AT A PRICE THEY CAN AFFORDDESIGNED TO GIVE YOU MORE VALUE FOR YOUR MONEYREPLACES YOUR ECONOMY OR STANDARD SEATMIG WELDED FROM .125" THICK 5052 GRADE ALUMINUMDESIGNED TO ACCOMMODATE ALL HEAD AND NECK RESTRAINTSSEAT HEIGHT CAN BE ADJUSTED 1" HIGHER OR 1" LOWERREINFORCED HEAD AND SHOULDERS FOR ADDITIONAL SUPPORTENERGY ABSORBING IMPACT FOAM ON HEADHEAD DESIGNED FOR EASY ENTRY AND EXIT FROM RACE CARBUILT IN REINFORCED SHOULDER RESTRAINTSOPENINGS FOR 5 OR 6 POINT SEAT BELTS SEAT BELT OPENINGS HAVE RUBBER GROMMETSCONTOUR FOAM BOTTOM FOR COMFORT AND SUPPORTHOW TO MEASURE FOR A SEAT: IN THE SEATED POSITION, USING A STRAIGHT EDGE, MEASURE ACROSS THE HIPS AT THE WIDEST POINT. THIS MEASUREMENT IS THE WIDTH OF SEAT THAT YOU NEED