All-Weather Low-Back Replacement Seat Cushion – Store – TEMPRESS
Amazon.com: Oceansouth Boat Seat Cushion (Gray, Length 71" x Width 17" x Height 2-1/2") : Sports & Outdoors
Tempress, Replacement Cushions Low Back, All Weather
Amazon.com : Moeller Heavy Duty Economy Boat Helm Seat, Cushion, and Mounting Plate Set (17.5" x 15.625" x 16.25", White) : Boating Pilot Chairs : Sports & Outdoors