Upgrade your boatâs comfort and durability with the Horizon Manufacturing 21.5" High Back Fold Down Boat Seat 1002. Designed for serious anglers and recreational boaters alike, this high-back marine seat delivers enhanced back support, rugged construction, and all-weather performance. Built with an injection-molded, high-impact plastic frame and reinforced with stainless steel t-nuts, this seat is made to withstand harsh marine conditions. The 28 oz. UV-treated, mildew-resistant marine-grade vinyl resists fading and moisture, while high-density foam padding ensures lasting comfort on long days on the water. The fold-down design with aluminum no-pinch hinges allows for versatile support and easy storage. Compatible with most pedestals, swivels, and flat mounting surfaces using a standard 5-1/4" hole pattern, itâs a simple upgrade for fishing boats, pontoons, and utility vessels. Backed by a 3-year frame warranty and 1-year upholstery warranty for added confidence. Features:• High-Back Design (21.5" Height) â Increased upper-back support for cruising and fishing• Injection-Molded High-Impact Frame â Durable, marine-ready construction• 28 oz. UV-Treated Marine Vinyl â Mildew-resistant and built to resist sun damage• High-Density Foam Padding â Comfortable, supportive seating• Aluminum No-Pinch Hinges â Safe, smooth fold-down function• Stainless Steel T-Nuts â Corrosion-resistant hardware for secure mounting• Universal 5-1/4" Mounting Pattern â Fits most pedestals, swivels, and flat surfacesSpecs: Seat Height: 21.5"Seat Width: 17"Seat Depth: 21" Sitting Depth: 14" Easy installation with universal mounting pattern Fold-down flexibility for versatile comfort Built tough for fishing, cruising, and everyday boating | 21.5" Boat Seat High Back Fold Down - Sand/Brown