Shellback uses only superior marine-grade materials (vinyls, fabric, foam, Teflon thread) engineered for UV, mildew, and moisture resistance, tailored with precise, professional craftsmanship. Our high-quality marine-grade materials guarantees structural integrity. Our Upholstery’s precision craftsmanship features tailored, ergonomic designs for comfort and aesthetics—such as piped edges, and high-density foam—designed specifically to withstand harsh marine environments, is perfectly tailored ensuring a snug fit that enhances the vessel’s aesthetics.