lakes& rivers lakes n' rivers low-back marine-grade vinyl withstands outdoor extremes frame withstands years of punishing use new lakes n' rivers low-back comfortable cushioning and heavy duty molded frame as in our most popular low back models lakes n' rivers deluxe high-back the heavy-duty molded frame allow the back to fold down tempress since 1972 tempress all-weather boat seat seat shell is made with corrosion proof pp and hd density foam and uv grade marine vinyl for maximum tempress navistyle high-back hinge with an automatic fold down locking tab for trailering and abrasion-resistant thread and uv grade marine vinyl additional features include a water resistant foam base and tempress probax boat seat now you can enjoy a full day on the water without the fear encourage correct posture helping your body flow with the current so you can have a successful outing on the boat manufactured with marine grade vinyl to stand up to all