These sport upholstered seats are trimmed out with a deep-tuck backrest, molded polyurethane foam, and marine-grade vinyl upholstery. The side cutaway provides lower back ventilation. Seat includes corrosion-resistant T-nuts for attachment to pedestals. Rounded corners and recessed bottom angle minimize the bottom footprint. No exposed hinges make the seat more attractive. Spring grid and quad spring suspension optimize shock absorption and comfort. 24"D x 26-5/8"W x 21-7/8"H.